The spell has been one you invented and reinvented, first at level 20 (maintains a level 10 spell) then repeatedly every 5 levels until you reached level 45 (maintains a level 35 spell).
The spell has been one you invented and reinvented, first at level 20 (maintains a level 10 spell) then repeatedly every 5 levels until you reached level 45 (maintains a level 35 spell).