1) Make a new skill, name it "Attune Fire"
2) Make a new skill, name it "Fire". Input all numerical fields needed for using the fire skill.
3) Make a new common event: Name it "Fire Attunement On"
Under the common event input this codes:
Code:
Text: Actor can now use Fire!
Change Skills:[Actor], + [Fire]
4) Tag this common event to the skill "Attune Fire"
5) Make a new common event, name it: "Fire attunment Off"
Under the common event input this codes:
Code:
Text: Actor cannot use fire anymore.
Change Skills:[Actor], - [Fire]
6) Tag this new common event to the skill "Fire".