Home >Alternative Rule Systems >Path of War >Feats > Extra Ki (General) Subscribe to the Open Gaming Newsletter! You can use your ki pool more times per day than most. Prerequisite(s): Ki pool class feature. Benefit(s): Your ki pool increases by 2. Special: You can gain Extra Ki multiple times. Its effects stack. Section 15: Copyright Notice Path of War, © 2014, Dreamscarred Press.