Levels
Each level's effects, requirements and unlock method are listed below.
- Level 1 — ? lifesteal per second for 18s. Becomes available once you find or buy its Manual.
- Level 2 — ? lifesteal per second for 24s. Requires player level 5 with 2 points invested in this ability. Becomes available once you find or buy its Manual.
- Level 3 — ? lifesteal per second for 30s; 20% of the damage you take is transferred to the target. Requires player level 10 with 4 points invested in this ability. Becomes available once you find or buy its Manual.
- Level 4 — ? lifesteal per second for 36s; 40% of the damage you take is transferred to the target; you heal for 500 when the target dies. Requires player level 15 with 6 points invested in this ability. Becomes available once you find or buy its Manual.