Unleashing devastation in Once Human requires mastering the right builds, and few are as potent as the Corrosion Shotgun with the Power Surge build. In this “Once Human Best Corrosion Shotgun (ACS12) Build Guide – Power Surge Build“, we’ll walk you through the steps to obtain and optimize this powerhouse weapon called ACS 12 (Shotgun), ensuring you maximize your damage output and dominate the battlefield. Also, this is considered the Best Shotgun Build in Once Human. In case you are a shotgun lover, you might want to stick with us till the end to get the most out of your favorite weapon.
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Why do you need Corrosion Shotgun (ACS12) Power Surge Build?
The Once Human world is ruthless, and survival hinges on utilizing the best gear and strategies. Among the arsenal at your disposal, the Corrosion Shotgun stands out, especially when paired with the Power Surge build.
This build is designed to exploit the shotgun’s unique abilities, offering players a perfect blend of high burst damage and sustained DPS.
Whether you’re mowing down hordes of enemies or facing off against formidable bosses, this guide will equip you with the knowledge to harness the full potential of the Corrosion Shotgun, ensuring you’re always at the top of your game.
How to get the Power Surge Corrosion Shotgun (ACS12)?
The BEst Corrosion Shotgun ACS12 can be acquired from the Wish Machine. Players have two primary methods to obtain this weapon:
- Purchase: Available for 8,000 Starchrom.
- Echoes from the Rift: Players can make a wish with a 5% chance to obtain the full blueprint. To unlock this feature, fully roll in the first category of the Wish Machine.
What is the Power Surge in The First Descendant?
Power Surge is a critical element of this build. Here’s how it works:
- Damage Calculation: The damage is based on your PSI intensity. For example, with 800 PSI intensity, the damage will be halved, resulting in 400 damage.
- Status Damage Multiplier: This multiplier enhances your damage. For instance, with 400 PSI intensity and 50% status damage, your damage increases from 400 to 600.
- Triggering Power Surge: The shotgun has a 70% chance to trigger Power Surge with a hit but does not inflict the Power Surge status, meaning certain penalties, such as the accuracy reduction, do not apply.
Critical Hits and Power Surge
To actually make the Once Human Corrosion Shotgun ACS12 Build – Power Surge Build you need to understand how the critical hits in contrast to Power Surge.
- Critical Damage: Power Surge can deal critical hits with a 15% increased crit rate. This rate only applies to the Power Surge damage (blue damage) and not to normal bullet damage (white damage).
- Utilizing Crit Damage: Mods that enhance crit damage are essential for maximizing this build’s effectiveness.
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Gear for Best Corrosion Shotgun ACS12 Power Surge Build
To maximize the Corrosion Shotgun (ACS12) potential, specific gear use is recommended:
Goggles and Gas Mask
- Goggles (Mayfly Goggles): Mayfly Goggles are great for burst DPS, allowing you to quickly stack Power Surge effects. It is also good for burst DPS
- Gas Mask (Gas Mask Hood): Provides a 35% crit rate for sustained DPS, especially beneficial if you have high crit damage mods. You will always be shooting with orange damage. So, this is good for the late game.
- Goggles Mechanics: Wearing goggles allows you to trigger Power Surge twice with each shot, quickly stacking the effect to achieve up to 150% crit damage bonus.
Shoes
- We are using Heavy Duty Shoes for this build
Lonewolf 4 Piece
We are going with the Lonewolf here because if you wear the Lonewolf set, you will get the Lonewolf Set FRAG that enhances your magazine capacity, and critical rate, and you also get one stack of lone shadow for every two weapon critical hits. Furthermore, there are other benefits as well.
It contains the following sets of pieces from Lonewolf.
- Lonewolf Mask
- Lonewolf Pants
- Lonewolf Gloves
- Lonnewolf Tops
Note: You can use only three here instead of all four to get the four benefits. Replace the other with Shelterer Pants B.P. Or, you can also go for Bastille Set FRAG, one part that buffs HP.
Weapon Calibration and Enhancement for Best Shotgun Build
- Rapid Shot Weapon Calibration:
- Fire Rate: +25%
- Draw Speed: +50%
- Attack Speed: -10%
- Weapon Enhancement:
- Crit Rate +4.9%
- Crit Rate +8.7%
- Crit Rate with Goggles or Mask: If using goggles, focus on increasing the crit rate by putting two crit rates, just like above. If using a gas mask, prioritize two crit damage.
How to get Rapid Shot Calibration
To get the calibration, you need to do worlds. Loot the weapon crates and in one of these, you will get the chance to get the Legendary Weapon.
Afterward, go to the Disassembly Bench, and in the legendary, you will have the Rapid Fire Calibration.
Click on Disassemble, and you will get the blueprint itself.
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Sniper Support and Crossbow Synergy
While the shotgun is the star of this build, having a supportive secondary weapon can be beneficial. You can equip the crossbow or a sniper to shoot the target first and then shoot it with the shotgun afterward to enhance the effects of your Once Human Best Corrosion Shotgun (ACS12) Build.
- Crossbow: Use the crossbow to apply vulnerability to enemies, increasing your damage output, and then afterward shoot with the shotgun.
- Sniper: While not the primary focus, snipers can be used to mark enemies, offering a 25% increase in weapon damage and 35% weak spot damage.
Cradle and Perk Selection for Once Human Best Corrosion Shotgun (ACS12) – Power Surge Build
Selecting the right cradle and perks is crucial:
- Handgun Enhancement: Boosts 20% damage for pistols and shotguns.
- Long-Range Enhancement: If you are using sniper. Doesn’t matter if you don’t.
- Deviation Master: If you PvP a lot, you do need the Deviation Master
- Tactical Combo: Provides a 25% weapon damage boost after switching weapons or reloading.
- Status Enhancement: After you hit a weak point, the Status DMG is increased to 25% more for 3 seconds.
- First Round Blast: Grants +25% Power Surge damage for 4 seconds after reloading.
- Steady Hand: In the Fortress Warfare or the Fast Gunner Status, the weak point damage is enhanced to 40%, and the weak point damage to the blue eye is enhanced to 20%.
You can also get the Transient Impact or the Bounty Hunter. When you mark an enemy with a sniper or crossbow, come back to a shotgun, and kill the target, the weapon damage will be enhanced considerably.
Best Attachments for Power Surge Corrosion Shotgun ACS12
Attachments don’t really matter here, but in case you still need help while making this build, you can go with the following:
- Extended Brake Muzzle for Accuracy
- Tactical Laser Sight for faster ADS
- Shotgun Drum Mag
- Tungsten Shotgun AP
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Best Mods for Power Surge Corrosion Shotgun ACS12 Build
Shotgun Mods
Following are the mods you need to use for the Power Surge Corrosion Shotgun ACS12.
- Static Shock (primary choice), or Shock Rampage (secondary choice).
You need the Static Shock power surge to enhance the damage and a little bit of lightning. This is the best mod for any shotgun in Once Human so far.
You can also go for the Shock Rampage. It will enhance your power surge trigger chance by 20% if you stack it to 4 times.
The latter is based on the weapon trigger chance (proc), so in the end, it depends on what you want.
Crossbow Mods
For the crossbow, you can use the Vulnerability Amplifier – Violent Weapon Mod. If you mark enemies with the crossbow, it will enhance the vulnerability damage, so that you have higher stats with the shotgun afterward.
Goggle Mods
For the goggles, you need to use the Faithful Strike – Voilent mod.
If you have better crit damage, weapon damage, and damage than normal you can go for the Fateful Strike Mod for your Goggles.
In case you want more status damage and fire rate, you can go with the Deviation Expert – Talents.
- If you use a gas mask, go for the Deviation Expert.
- If you use the goggles, you can go for the Fateful Strike.
Mask Mods
For the mask, you will be using the First Electrocution Mod, which is the best out there for your mask.
Shoe Mods
For the shoes, we will be using the Covered Advance. If you take no damage in 4 seconds, you will get 20% more melee, weapon, and status damage for 30 seconds.
You can also go for the Slow and Steady Mod if you want.
Top Body Mods
For the top, you need to pick the Flame Resonance Violent Mod. It enhances your status damage by 12% more.
Lower Pants Mods
For the pants, you need to get the Deadshot Violent Mod. It enhances the criticality of your non-melee weapons if you crit-hit with them.
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Conclusion
Mastering the Corrosion Shotgun with the Power Surge build will transform you into an unstoppable force in Once Human. By carefully selecting and optimizing your gear, calibrations, and mods, you can maximize both burst and sustained DPS, ensuring you’re ready for any challenge the game throws your way. With this guide on “Once Human Best Corrosion Shotgun (ACS12) Build Guide – Power Surge Build“, you’re not just surviving; you’re dominating the battlefield, leaving nothing but devastation in your wake.
