This manual is linked to Soul Stigma. Unlocking access to an ability or level is separate from learning it.
Obtaining the manual is separate from learning the skill.
ACTIVE ABILITIES · ACTIVE ABILITY
Higher Critical Chance and Critical Damage on target.

QUICK ANSWER
Higher Critical Chance and Critical Damage on target.
UNLOCK GUIDANCE
No additional player-facing unlock requirement is confirmed in the current skill data.
EXACT MANUAL LINK
This manual is linked to Soul Stigma. Unlocking access to an ability or level is separate from learning it.
Obtaining the manual is separate from learning the skill.
EXPLICIT MECHANICS
Higher Critical Chance and Critical Damage on target.
V4 VERIFIED RANK DATA
Costs below are ordinary per-rank learning costs. A direct quest grant can bypass that purchase; obtaining a manual does not mean the rank is already learned. Recorded level and spent-point requirements are previews only: the scope of “points spent” is not confirmed, so this is not a complete unlock verdict.
+35% Critical Hit chance. +10% Critical Damage. Duration 20s.
Recorded requirement preview: player level 0; 0 spent trait points. The spent-point scope is not confirmed.
+40% Critical Hit chance. +20% Critical Damage. Duration 25s.
Recorded requirement preview: player level 5; 2 spent trait points. The spent-point scope is not confirmed.
+45% Critical Hit chance. +30% Critical Damage. On Death, effect transfers to different enemy. Duration 30s.
Recorded requirement preview: player level 10; 4 spent trait points. The spent-point scope is not confirmed.
+50% Critical Hit chance. +40% Critical Damage. On Death, effect transfers to different enemy and Stuns him. Duration 35s.
Recorded requirement preview: player level 15; 6 spent trait points. The spent-point scope is not confirmed.
TREE POSITION
Only confirmed ParentSkill edges are shown.
SKILL → MANUAL

Unlocks or progresses Soul Stigma.
EXACT SAME STAT
These entries share Weapon Crit Damage. This is a deterministic relation, not a tested synergy recommendation.
DETERMINISTIC RELATIONS