Damage Vulnerabilities, Resistances, and Immunities; Effective Hit Points Based on Resistances and Immunities

Source: Dungeon Master’s Guide p. 277

Effective Hit Points Based on Resistances and Immunities

Expected Challenge RatingHP Multiplier for ResistancesHP Multiplier for Immunities
1-4× 2× 2
5-10× 1.5× 2
11-16× 1.25× 1.5
17 or more× 1× 1.25
^effective-hit-points-based-on-resistances-and-immunities