This manual is linked to Second Skin II. Unlocking access to an ability or level is separate from learning it.
Obtaining the manual is separate from learning the skill.
SHARED · SKILL
Decreases Heavy Armour penalties.

QUICK ANSWER
Decreases Heavy Armour penalties.
UNLOCK GUIDANCE
Unlock the prerequisite skill(s) first: Second Skin I.
Skill tier: 2.
CONFIRMED PARENT_SKILL
EXACT MANUAL LINK
This manual is linked to Second Skin II. Unlocking access to an ability or level is separate from learning it.
Obtaining the manual is separate from learning the skill.
EXPLICIT MECHANICS
Decreases Heavy Armour penalties.
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.
-33% Heavy Armour penalties.
Recorded requirement preview: player level 0; 0 spent trait points. The spent-point scope is not confirmed.
-66% Heavy Armour penalties.
Recorded requirement preview: player level 5; 2 spent trait points. The spent-point scope is not confirmed.
-100% Heavy Armour penalties.
Recorded requirement preview: player level 10; 4 spent trait points. The spent-point scope is not confirmed.
TREE POSITION
SKILL → MANUAL

Unlocks or progresses Second Skin II.
BUILD PLANNER
Choose the skill in the planner, select a rank, and let confirmed prerequisites be handled there.
DETERMINISTIC RELATIONS