Enemies’ Bane (Su)
Source: Advanced Class Guide, p. 38
As a swift action, the shaman imbues a single weapon she’s wielding with the bane weapon special ability, choosing the type of creature affected each time she does. The effect lasts for 1 minute. If the weapon already has the bane weapon special ability of the type chosen, the additional damage dealt by bane increases to 4d6. The shaman can use this ability a number of times per day equal to 3 + her Charisma modifier.
True Spirit Ability: A shaman who chooses the battle spirit as her spirit or wandering spirit gains the following ability upon having access to the true version of that spirit.