Levels
Each level's effects, requirements and unlock method are listed below.
- Level 1 — +35% critical hit chance and +10% critical damage for 20s. Becomes available once you find or buy its Manual.
- Level 2 — +40% critical hit chance and +20% critical damage for 25s. Requires player level 5 with 2 points invested in this ability. Becomes available once you find or buy its Manual.
- Level 3 — +45% critical hit chance and +30% critical damage for 30s; when the target dies, the effect transfers to a different enemy. Requires player level 10 with 4 points invested in this ability. Becomes available once you find or buy its Manual.
- Level 4 — +50% critical hit chance and +40% critical damage for 35s; when the target dies, the effect leaps to another enemy, stunning them. Requires player level 15 with 6 points invested in this ability. Becomes available once you find or buy its Manual.