The chemicals used to cool planet sized lasers are more than enough to freeze his wounds. He used the ascension cables from previous movies to prevent falling to his death. He patched up his wounds while either traveling or being smuggled out before the planet explodes.
Also... he shot first.
nah
>>84144811
His unlikely survival or that he shot first?
>Russian attempts to infiltrate U.S. election systems found in 21 states: >U.S. officials recommends paper trail, vote tallying and voting machines not connected to internet
"democracy" totes survived gais!