Oh, I think he'll have weaponry alright - even if he is legally forbidden to do so.
After his sweeping up at the museum sentence is complete, I think he'll do whatever the heck he wants to do, whenever he wants to to do it.
I also think that, given enough time, he'll crash and burn.
I think he's been living inside a bubble all this time at Uncle Arthur's. I can't imagine that he yet fully understands the vitriol that so many people feel toward him, and that he's actually despised worldwide.
For awhile I imagine he'll skate along during a "honeymoon" period on the love, adoration, and adulation of the Pistorians. But the simultaneous hate, disdain, and worse that he'll face at every turn will slowly eat away at him.
Even with superior training and conditioning, can you really run a world class race with 1/2 the people in the stadium booing you and shouting epithets?
Someday, he may wish that he had been sentenced to real time, prison time -- served that time and come out with people having some respect that justice was done.
In this case, he may wind up doing what I think OJ (If I Did It) Simpson has done: subconsciously created situations, which have landed him in prison -- a place where he's always known he should be.