Acid Shells is a Sobek-exclusive mod that causes enemies killed by the Sobek to explode, dealing a flat amount of Corrosive b Corrosive damage plus a percentage of the enemy's maximum health in an area of effect.

Stats Edit

Rank Flat Damage Percentage of Max Health Radius Cost
0 75 7.5% 2.5m 4
1 150 15% 5m 5
2 225 22.5% 7.5m 6
3 300 30% 10m 7
4 375 37.5% 12.5m 8
5 450 45% 15m 9


  • The explosion itself cannot apply Corrosive b Corrosive procs, and if the enemy dies under the effect of a Viral b Viral proc (thus halving the max HP), the explosion damage remains the same.
  • Deaths caused by Acid Shells can cause another explosion. This can lead to very large areas being cleared in lower level missions.


  • Due to the nature of this mod, prioritizing targets is a must: killing heavy units first will result in other enemies taking damage or dying due to the resulting explosion, reducing the time to kill entire crowds significantly.
  • Modding the Sobek for Viral b Viral or Corrosive b Corrosive damage and punch through can be a good idea: while shooting you can soften up enemies with procs before the explosion occurs, thus amplifying the damage inflicted by acid shells' burst, this is mostly effective at high levels.
  • Against the infestation, this mods scales tremendously well, since most of them have plain HP without armor.
  • If Banshee's Sonar is active on a lot of enemies, or both Saryn and Nova's 4 are affecting them, the explosion's ability to cause other explosions can very quickly kill a huge crowd due to the health reduction/damage increase from the abilities.
  • Rhino's Roar ability affects the damage output when enemies explode, making it possible for enemies to explode dealing over 100% their base health.


  • Prior to Hotfix 18.10.6, this mod's polarity was Zenurik.
  • This mod, along with the other Executioner mods, are the second set mods to feature non-generic enemies on the mod card, the first being Vengeful Revenant.
  • At the time of Operation: Rathuum's announcement, this mod was referred to as Execution Shells, likely an earlier name for the mod. This initially caused confusion with players trying to look for the "nonexistent" mod.
  • The mod is used by Executioner Nok, although his version can remove armor.


  • The blast seems to not be radial as advertised, but instead damages targets on either side and in front of the target killed.


Patch HistoryEdit

Hotfix 20.2.3
  • Fixed Infested Runners/Crawlers missing the Acid Shells FX when killed

Hotfix 19.9.2

  • Fixed missing enemy death FX when using Sobek with Acid Shells as per: this thread

Hotfix 19.3.2

  • Explosions on enemy death caused by Vulcan Blitz and Acid Shells mods will now properly alert enemies.

Hotfix 18.10.6

  • Changed the Acid Shells to a Madurai polarity.

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