CR Calculations

Energy Resistance (max of 15)

+.5CR   per +5 Bonus, base of 3

+.25CR per +5 Bonus, base of 2

+.15CR per +5 Bonus, base of 1

Feats

Monster Feats    +.75CR

Metamagic feats +.75CR

Combat feats      +.5CR

General feats      +.25CR

Damage Reduction

+5 = +.5CR

Bypass item -.25CR

Energy Immunity 

+.5CR per energy type

Vulnerability 

-.5CR per 

Spell Like Abilities

Base 3x per day

+.5CR per level

+.25CR per spell

Armor Class

+.2CR per +1

HP

+.3CR per +1HD+5

Spell Resistance 

(5+HD) +1CR

Special Abilities

 +1 CR

• Ability Drain 
• Breath Weapon
• Constrict
• Energy Drain
• Extra Limbs
• Fear 
• Gaze
• Improved grab
• Poison
• Ray
• Fast healing
• Regeneration
• Winged

Improved Senses

+.5CR

• tremor sense 60'
• blindsight 30'
• scent 

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