Agree with those answers, though can't really see the wordplay for TERSE ('essentially having time for power').
From right to left along the bottom row the blocks belong to clues 1 (O), 2 (I), 3(i) (I), 3(ii) (O), 4 (L), 5(i) (S) and 5(ii) (T). The character's sidekick then appears on the bottom row.