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Artillerist fires 5 missiles in random directions to deal high amounts of damage. 

This is a very powerful offensive skill with wide-range AoE that can also set enemies on fire (with the Flame Rocket Engraving). Moreover, it deals solid Stagger Damage. 

• Stagger: Mid-High 
• Super Armor: Paralysis Immunity 

Level 11

1. [Level I]  Flame Rocket - Changes the skill's Element to Fire and allows the Rockets to set your enemies ablaze. While burning, enemies will receive extra Fire Damage every second for 5 seconds. This DoT effect can stack up to 3 times, which contributes to your sustained damage by quite a lot. 
2. [Level II]  Quick Barrage  - Increases the speed at which you fire the Rockets and increases the number of Rockets fired to 7. Outgoing Damage is also increased (by up to +70.8% at Rank 5). 
3. [Level III]  Access Denied - Doubles the number of fired Rockets, makes them fly in a spread pattern, and increases the skill's total Damage by up to +95.2% (at Rank 5). This makes the skill much less Random and much more powerful. 
4. [RUNE] Overwhelm - A rune that makes the Skill deal up to +30% Stagger Damage. This will help you help your team with stagger checks. 

Artillerist fires his flamethrower in a single direction while moving freely. Flamethrower's fuel lasts for up to 4 seconds and the fires inflict high amounts of fire damage to incinerated enemies. 

This powerful Skill allows you to deal solid damage while maintaining at least some of your mobility and offers relatively high Stagger Damage. Moreover, it's amazing at increasing your Firepower Level and synergizes with the Barricade Engraving (if you run it, that is). 

• Stagger: Mid-High 
• Super Armor: Paralysis Immunity 

Level 11

1. [Level I]  Firepower Control - Increases your Firepower Meter recovery by up to +150% (at level 5) per hit. This is an amazing Engraving, as the build heavily relies on the Identity Gauge. 
2. [Level II]  Shield  - Generates a shield that absorbs Damage up to 19.0% (at Rank 5) of Max HP. This is especially good if you also run Barricade Engraving. 
3. [Level III]  Azure Flame - Changes the skill's Element to Water and lowers the Holding duration to 2 seconds. Total outgoing Damage is also increased (by up to +95.2% at Rank 5). 
4. [RUNE] Wealth - With this Rune, your Firepower Level gained from using the ability will be increased by another 30% (with Epic Rune). This is a nice buff to your Barrage Mode. 

Artillerist fires multiple high-caliber bullets into the air. After a while, they drop onto random enemies, launching them into the sky and inflicting high amounts of damage. 

This is one of your main offensive abilities. It can deal massive amounts of damage, especially when it crits (and we take Engravings that ensure both of these things). It's best used when you have the Energy Field active so that it can't be interrupted by enemies. 

• Stagger: Mid 
• Super Armor: Paralysis Immunity 

Level 11

1. [Level I]  Quickfire - Increases the skill's Attack Speed by up to + 42% (at Rank 5). This greatly reduces Air Raid's animation lock. 
2. [Level II]  Lightning Barrage - Changes the skill's element to Lightning and boosts its Crit Rate by up to + 60% (at Rank 5). 
3. [Level III]  The Big One -  You now fire a single massive bullet instead of multiple ones. The skill's Damage is increased by up to +83% (at Rank 5) and the explosion Radius is increased by 67%. Moreover, Flame Bombardment and Frost Bombardment's harmful effects are applied at max stack. If the target has Push Immunity, outgoing Damage of the skill is also increased by up to +192.,8% (at Rank 5).
4. [RUNE] Galewind - Increase the skill's casting speed. With this, the Skill's animation becomes much faster, making it even better at dealing damage. 

Artillerist plants a homing device at the target location within 8 meters of him. After 4 seconds, a missile comes flying in. When it hits the target, it explodes, dealing high amounts of damage and launching enemies caught in the blast into the air. 

Another extremely powerful offensive skill that can devastate your enemies. It can exploit the enemy's weak points and deals high Stagger Damage. 

• Weak Point: Level 1 
• Stagger: High 

Level 11

1. [Level I]  Guiding Enhancement - Reduces the delay between installing the homing device and the missile's strike by 1 second. This reduces the chance that the target will wander away before the skill hits it. 
2. [Level II]  Weak Point Detection - Increases the damage dealt to push-immune enemies by up to +70% (at Rank 5). With this, Homing Barrage will deal much more damage to Bosses (as they are Push-immune). 
3. [Level III]  Power Bomb - The skill now Drops a bomb that inflicts +90% Damage (at Rank 5) and creates a Contamination Area at the point of impact, inflicting 5% of Base Damage every 1 second for 6 seconds. 
4. [RUNE] Overwhelm - A rune that makes the Skill deal up to +30% Stagger Damage. This will make Homing Barrage much more helpful during Stagger Check Mechanics. 

Artillerist detonates a Napalm Shell, dealing moderate amounts of damage and launching enemies into the air in the process. The Napalm Shell also sets the ground ablaze on impact, inflicting Fire Damage over Time every second for 5 seconds to all enemies in the area. 

This is a solid "specialty" offensive skill that increases Stagger Damage received by the target. Moreover, it can be used to Counter Attack the enemy. 

• Weak Point: Level 1 
• Stagger: Mid-High 
• Attack Type: Frontal Attack 
• Counter: Yes 

Level 10

1. [Level I]  Target Focus - Napalm Explosion makes all affected enemies receive +20% Stagger Damage for 4 seconds. This will make your team breeze through Stagger Checks. 
2. [Level II]  Vital Point Barrage - Increases the Napalm Explosion's Crit Rate by up to +100% (at Rank 5). This Tripod pairs very well with your other Crit Rate increases. 
3. [Level III]  Chain Explosion - The Skill now Inflicts 2 consecutive explosive attacks and makes you back up. The 2nd attack creates a Flame Area, inflicting Damage for 2 seconds. The Flame Area then explodes, inflicting +20% Damage. Total outgoing Damage is also increased by up to +95,2% (at Rank 5). 
4. [RUNE] Overwhelm - A rune that makes the Skill deal up to +30% Stagger Damage. With this Rune, your Napalm Shot will deal considerably more Stagger Damage. 

Artillerist Summons a turret armed with a machine gun. the Turret attacks surrounding enemies for 10 seconds, dealing light amounts of damage with every attack. 

This is your main team-synergy skill that can reduce the enemies' armor by 12% for 6 seconds. You can easily maintain the debuff for longer by summoning Turrets one by one (you can technically summon multiple Turrets at once, but that's wasteful). 

Level 10

1. [Level I] Armor Destruction - Reduces the enemy's defense by 12% for 6 seconds on hit. With this Engraving, Summon Turret turns into a powerful team synergy skill with high uptime. 
2. [Level II]  Enhanced Turret  - Increases the damage dealt by the Turret by up to +50% (at Rank 5). This is the best one of the three mediocre Tripods you can choose from. 
3. [Level III]  Laser Turret - The Turret will now fire a Laser instead of a Machine Gun, for 83% (at Rank 5) increased Damage. 
4. [RUNE] Bleed -  This Rune makes the Turret inflict all enemies hit with a Bleeding effect for 6 seconds. Thanks to Turret's rather long uptime, the Bleed provides a nice boost to its DPS, especially against trash mobs. 

Artillerist creates a shield around himself. The shield absorbs Damage equal to 15% of his Max HP for 4 seconds. 

This is your main defensive skill that will increase your survivability during the main damage rotation and ensure that your main damaging skills go off uninterrupted (thanks to the Solid Shield Engraving). If you decide to go for the Barricade Engraving, it will also increase your DPS. 

• Super Armor: Paralysis Immunity 

Level 10

1. [Level I]  Mind Concentration - Using the skill does not consume any MP. This is a nice boost to your mana sustain. 
2. [Level II]  Energy Increase  - Increases the shield's duration by 6 seconds. This Engraving ensures that you're protected with Solid Shield when using your main damaging skills. 
3. [Level III]  Solid Shield - Gives you Push Immunity while using your other Skills if the Shield is active. This will ensure that your most devastating offensive skills go off uninterrupted. 
4. [RUNE] Purify - This Rune gives you a high chance of removing a debuff from yourself when the skill is used. 

Artillerist quickly fires his cannon to deal moderate amounts of Damage. 

This is a filler skill that's used mainly to improve your Firepower Meter gains. It deals some Stagger Damage as well. 

• Stagger: Low 
• Attack Type: Frontal Attack 

Level 7

1. [Level I]  Firepower Control - Increases Firepower Meter recovery by up to +150% (at Rank 5) on Bombardment hit. 
2. [Level II]  Enhanced Barrage  - Increases the skill's outgoing Damage by up to +60% (at Rank 5). 
3. [RUNE] Wealth - With this Rune, your Firepower Level gained from using the ability will be increased by another 30%. This is a nice buff to your Barrage Mode. 

Artillerist fires 20 Rockets in the sky. The rockets fly to the target location and explode, inflicting extremely high amounts of damage. 

This is a powerful offensive skill, but it suffers from a very long animation lock. We take it mostly because it can refill the Firepower Meter completely, which is very beneficial to the build. 

• Stagger: High

Note: If you really don't like the Missile Barrage, you can take Heavy Turret instead. The overall DPS difference shouldn't be that high. 

Artillerist creates a shield around himself. The Shield absorbs Damage equal to 30% of his Max HP for 8 seconds. The shield expires when Barrage Mode ends. 

This is a powerful defensive skill that will increase your survivability during the Barrage Mode and allow you to focus on dealing damage. 

Artillerist fires a powerful penetrating energy cannon, dealing very high amounts of damage and knocking enemies back. 

This is your main offensive skill while you're in the Barrage Mode. 

• Weak Point: Level 1 
• Stagger: High 
• Attack Type: Back Attack 
• Super Armor: Push Immunity 

Artillerist bombards the target location, dealing high amounts of damage and launching enemies into the air. 

This is your secondary offensive skill from the Barrage Mode. You will use it only if the Boss is stationary (otherwise it's better to deactivate the Barrage Mode). 

• Weak Point: Level 1 
• Stagger: Low 
• Super Armor: Push Immunity 

Firepower Enhancement Artillerist's rotation revolves around a few key points: 

• Maximizing the uptime of the Summon Turret's Turret by NOT placing more than one of them at a time. This is done to keep the  Armor Destruction debuff active for as long as possible. 
• Energy Shield should be used before Air Raid and Homing Barrage as these two skills won't give you Push Immunity on their own and they contribute to a large portion of your total DPS. 
• Always enter the Barrage Mode when it's ready and your main DPS skills are on Cooldown (so,  Air Raid and Homing Barrage). 

Barrage Mode Rotation: 

1. Enter the Barrage Mode
2. Activate the Impregnability 
3. Use Energy Cannon 
4. Use Howitzer (only if you can ensure a hit) 
5. Leave the Barrage Mode 

Regular Rotation: 

• Use Summon Turret after the Turret disappears 

1. Activate Energy Field to gain Push Immunity 
2. Use Homing Barrage 
3. Use Air Raid 
4. Use Multiple Rocket Launcher 
5. Use Napalm Shot 
6. Use Forward Barrage 
7. Use Flamethrower 

1. Firepower Enhancement (Class Engraving) - Reduces Incoming Damage by (Level 1: 20%, Level 2: 25%, Level 3: 30%). Increases Crit Rate by (Level 1: 15%, 20%, or 25%; Level 2: 20%, 25%, or 30%; Level 3: 25%, 30%, or 35%) depending on the level of the Firepower Buff. 

This is the core Engraving of this build. It will not only make you much more resistant to damage but it will also greatly increase your Damage output by making you land Critical Hits with terrifying frequency. You should pick this up at Level 1, and then focus on leveling your other Battle Engravings to Level 3. 

2. Hit Master - Increases the damage of attacks that do not correspond to back attack or front attack by (Level 1: 3%, Level 2: 8%, Level 3: 16%). This effect does not apply to Awakenings. 

Most of the Skills you will be using won't require you to strike from the back or from the front. Because of this, Hit Master is very strong for the build. It effectively gives you the same effect as Cursed Doll, but without the drawback. 

3. Grudge - Increases your Damage Dealt to Bosses (Level 1: +4%, Level 2: +10%, Level 3: +20%), but makes you take 20% more damage from them. 

This Engraving is extremely powerful, but it will punish you if you make a mistake. If you can live with the downside, it will serve you as an unconditional damage increase. As Firepower Enhancement Artillerist, you can tank quite a lot of incoming damage so this Engraving shouldn't be that painful to take. Also, keep in mind that it's only worth using at Level 3, so never use it at level 2 and especially 1 (unless you want to take 5% more damage for every 1% increase in your own DPS). 

4. Keen Blunt Weapon - Increases your Crit Damage (Level 1: +10%, Level 2: +25%, Level 3: +50%) but also gives your attacks a chance to deal 20% Reduced Damage. 

The more Crit Rate you have, the more powerful this Engraving becomes. When you have ~60% Crit, this really starts to contribute to your DPS, but, if you want to optimize the build, you should only pick it up when you have at least ~70% Crit Rate. 

5. Cursed Doll - Increases Attack Power at the cost of reduced 25% Healing Received (does not affect natural Health recovery (Level 1 - +3% Attack Power, Level 2 - 8% Attack Power, Level 3 - +16% Attack Power).

This Engraving can boost your offensive power rather significantly, but the tradeoff is painful. Only pick it if you know encounter mechanics very well, or if you trust in Artillerist's armor and damage reduction enough. Also, using this at Levels 1 and 2 is not worth the risks involved (so, use it at Level 3 or don't use it at all). 

6. Adrenaline - When using skills other than mobile and basic attacks, attack power increases by (Lv. 1: 0.3%, Lv. 2: 0.6%, Lv. 3: 1%) for 6 seconds (stacks up to 6), and when this effect reaches its maximum stack, critical hit rate increases by an additional (Lv. 1: 5%, Lv. 2: 10%, Lv. 3: 15%). This effect is applied after the skill ends if the cooldown time reduction due to skill cancellation is applied. 

This engraving has the potential to be very effective for this build, as the Artillerist has a solid number of skills you can rotate between to stack and maintain it. 

7. Barricade - Increases your Damage done while shielded by (Level 1: +3%, Level 2: +8%, Level 3: +16%). 

This Engraving works surprisingly well with the build, especially when you're using Protection Runes on some of your Skills. If you'd like to increase the build's defenses while also boosting its damage output, you should run this with Protection on Multiple Rocket Launcher and Flamethrower. You can use this one instead of the Keen Blunt Weapon (if you don't have enough Crit, for example). 

• Gear Sets - As a DPS Class, Artillerist wants his set to boost his offensive capabilities as much as possible. Here are the optimal Sets for each Tier: 
  • Tier 1: Seraphic Oath Set (Epic); Boisterous Elemental Set (Legendary) 
  • Tier 2: Marvelous Earth Set (Epic); Unyielding Will Set (Legendary) 
  • Tier 3: Twisted Dimensional Set (Epic); Harsh Oath Set (Legendary) 

• Gems -  With these, you can apply a Cooldown Reduction or Bonus Damage to your Skills. There is a limit of 11 Gems; you should distribute them in the following way (you'll have 2 spare Rune slots - use them as you like): 
  • You should use Cooldown Reduction Gems on the following Skills: Energy Field, Multiple Rocket Launcher, Flamethrower, Homing Barrage, Air Raid 
  • You should use Attack Gems on the following Skills: Air Raid, Homing Barrage, Flamethrower, Multiple Rocket Launcher

• Cards - Depending on your budget, you should go for one of the following Card Sets: 
  • Light of Salvation Set - A Full set offers +30% Dark Damage Reduction, changes your Damage type to Holy, and increases your Holy Damage dealt by 15%. 
  • Lostwind Cliff Set - A Full set offers +25% Dark Damage Reduction and +7% Critical Rate. This one is the cheaper of the recommended two.

ENDNOTE

This is the initial version of our Firepower Enhancement Artillerist Raiding Build for Lost Ark, where we tried to include all of the important information on how to set up this character while keeping the guide as compact as possible. If we've missed something of importance, please let us know! 

If you have any Build requests, please post them in the Comments section below. We will be happy to cover your most requested builds in the future! Also, we hope that you have found this guide useful and informative. Also, we will be happy to receive constructive criticism that will help us improve our future work, so don't hesitate to give us your feedback.