Avalanche's Fury
Prerequisite: 11th level, druid, wild shape power.
Benefit: When charging while you are in your beast form, you ignore difficult terrain and can move through an enemy’s space.
Child of the Cliffs
Prerequisite: 11th level, druid, wild shape power.
Benefit: While you are in your beast form, you gain resist 5 to cold, lightning and thunder.
Mountain Heart
Prerequisite: 11th level, druid.
Benefit: While you are in your beast form, you gain resist psychic equal to 3 + your Constitution modifier and a +2 feat bonus to saving throws against charm and fear effects.
Gozreh's Hammer
Prerequisite: 11th level, druid, wild shape power.
Benefit: Whenever you hit an enemy with a daily or encounter primal attack power that has the lightning keyword, all creatures adjacent to the target take thunder damage equal to 1 + your Constitution modifier.