Suggested by Sonic Deoxys is one of the more powerful Pokemon fighters but even with his speed mode I don’t see him winning this round. Pyron’s been shown to have incredible speed as well along with regeneration that is superior to Deoxys. Deoxys has a lot of different energy moves but since Pyron absorbs energy he will have to rely more on close quarter combat moves which are naturally a lot riskier. I don’t see how he manages to turn this around. Pyron wins.