Type: General
Source: Dragon #343
You can channel your chastise spirit ability to increase the duration of your spirit form.
Prerequisite: Chastise spirits class ability, spirit form class ability.
Benefit: You can spend a use of your chastise spirit ability to remain in spirit form for a number of additional minutes equal to 1 + your Charisma modifier (minimum 1 additional minute).
Normal: A spirit shaman's spirit form allows her to become incorporeal for 1 minute.