After taking fire damage, or when an allied creature drops to 0 HP, roll percentile dice. On a roll of 21 or higher, enter the Agitated State.

While Agitated, use the Heat system to track progression of the curse.

Heat Thresholds

1–3 Heat — Stage 1

• Resistance to elemental and magical damage
• “Attack rolls against creatures without spellcasting or innate magical abilities are made with disadvantage”

4–6 Heat — Stage 2

• Resistance to elemental and magical damage
• “Attack rolls against creatures without spellcasting or innate magical abilities are made with disadvantage”
• AC reduced by 4
• +2 bonus to melee attack rolls

7–9 Heat — Stage 3

• Resistance to elemental and magical damage
• “Attack rolls against creatures without spellcasting or innate magical abilities are made with disadvantage”
• AC reduced by 4
• +2 bonus to melee attack rolls
• Other creatures take 2 fire damage when they start or end their turn within 5 feet of you

10 Heat — Stage 4

• Suffer damage equal to 20% of your current HP (minimum 1)
• Fall unconscious
• Agitated State immediately ends
• Heat resets to 0

Gain Heat

Gain +1 Heat when:

• Taking damage
• Starting your turn below half HP
• eh, relevant role play stuff (DM discretion)

Gain +2 Heat when:

• An allied creature drops to 0 HP within sight
• The first time you take fire damage each round
• Being critically hit by a magic user
• eh, relevant role play stuff (DM discretion)

Lose Heat

Lose -1 Heat when:

• killing creatures with spellcasting or innate magical abilities 
• Being splashed or submerged in water
• Spending a full turn without hostile actions
• suffering cold damage

Reset Heat to 0 when:

• Combat ends
• Taking 25% or more of remaining hp as cold damage
• Fully immersed in cold/freezing water
• Killing an allied creature or important companion

Additional Effects

While Agitated:

• Followers of Mirrmir can sense your location
• The Cursed Eye reveals the divine and magical bonds of humanoids, allowing instinctive identification of magic users