Nine levels of meditative concentration
Nine levels of meditative concentration (Tib. བསམ་གཏན་ས་དགུ་, samten sa gu; Wyl. bsam gtan sa dgu) - these levels of meditative concentration are able to support the undefiled path. One arrives at nine when the first three of the four levels (all except the Peak of existence) of the formless realm's are added to the Six levels of meditative concentration.