This manual is linked to Mercurial Fervour. 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
Gain Haste in exploration by briefly slowing down the world around you. This Ability doesn't take up a common slot in the Active Abilities panel.

QUICK ANSWER
Gain Haste in exploration by briefly slowing down the world around you. This Ability doesn't take up a common slot in the Active Abilities panel.
UNLOCK GUIDANCE
No additional player-facing unlock requirement is confirmed in the current skill data.
EXACT MANUAL LINK
This manual is linked to Mercurial Fervour. Unlocking access to an ability or level is separate from learning it.
Obtaining the manual is separate from learning the skill.
EXPLICIT MECHANICS
Gain Haste in exploration by briefly slowing down the world around you. This Ability doesn't take up a common slot in the Active Abilities panel.
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.
Gain Haste.
Recorded requirement preview: player level 0; 0 spent trait points. The spent-point scope is not confirmed.
Haste costs 50% less Stamina.
Recorded requirement preview: player level 5; 2 spent trait points. The spent-point scope is not confirmed.
Haste costs 50% less Stamina. Haste is 20% faster.
Recorded requirement preview: player level 10; 4 spent trait points. The spent-point scope is not confirmed.
Haste doesn't cost Stamina. Haste is 20% faster.
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 Mercurial Fervour.
EXACT SAME STAT
These entries share Stamina. This is a deterministic relation, not a tested synergy recommendation.
DETERMINISTIC RELATIONS