User blog comment:FairyRaven/Fairy Tail Chapter 465: 400 Years, Review and Commentary/@comment-114.108.214.205-20151209150638/@comment-7418318-20151211092356

And he still survived, which was exactly my point.

Sure Brain's injury would be 100% fatal in the real world, but as Jiemma proofs, that might not be the case in FT's world.