Basil should win, he withstood a blast from Mr. Buu. Yes that blast was non-bloodlusted, but he he still shrugged it off. Either would have gotten KO'd from that. So steroid form should take the win.
Free-for-all not sure, I'd still give it to Basil. Dabura>Cell.
__________________ "Vader's pulse and breathing were machine-regulated, so they could not quicken; but something in his chest became more electric around his meetings with the Emperor; he could not say how. A feeling of fullness, of power, of dark and demon mastery -- of secret lusts, unrestrained passion, wild submission -- all these things were in Vader's heart as he neared his Emperor. These things and more."