From NexusClash Wiki
Character gains the ability to activate Wisp Form for 1 AP, 5 MP for 10 minutes (cannot be activated a second time while already active).
- Character gains lesser flight capability (can move over void, water, etc.) while Wisp Form is active.
- Character gains the ability to "seep" through doors while Wisp Form is active.
- Character gains 15% defense bonus
- Character tile-to-tile movement cost is 1 MP and 0 AP while Wisp Form is active. Moving through a Portal has this 1 MP cost in addition to the portal's cost.