Celestial
CR
1+
Alignment
Any Good
Traits
DR/evil with a value equal to creature’s CR – 10 (minimum DR 1/evil) |
If the creature already has DR of that value or greater, it instead gains resistance to electricity with a value equal to creature’s CR – 5 (minimum electricity resistance 1) |
When the creature isn’t on its home plane, it gains the extraplanar subtype |
Celestial creatures are natives of one of the good-aligned Outer Planes.
Source
Alien Archive pg. 150