ㅤ
ㅤIt solidified his commitment to goodness, or in his terms; becoming a gentleman. He hopes someday it will make up for his poor strength of will against despair. He promised himself to work even harder to better himself, so he doesn't repeat the same mistakes.
ㅤ

ㅤ
ㅤWhile it was all for the sake of entertainment, participating in a killing game scarred him, both emotionally and physically.

ㅤHis third-degree burn from being torched alive was mended during recovery with skin graft, but the chest stab wound was meant to stay; a constant reminder of his sins.
ㅤ

ㅤ
ㅤWhether his past memories are fabricated or not is left ambiguous, due to it being inconsequential in Gonta Gokuhara's case. They feel genuine and they forge who he is as a person; that's all there is to it from his perspective.
ㅤ