Entropic
Alignment
Any Chaotic
Traits
DR/lawful with a value equal to creature’s CR – 10 (minimum DR 1/lawful) |
If the creature already has DR of that value or greater, it instead gains resistance to acid with a value equal to creature’s CR – 5 (minimum acid resistance 1) |
When the creature isn’t on its home plane, it gains the extraplanar subtype |
Entropic creatures are natives of one of the Outer Planes where chaos is paramount. A GM can allow creatures summoned with the summon creature spell that would normally have the astral, celestial, or fiendish simple template graft instead have the entropic simple template graft.
Source
Alien Archive pg. 150