I would personally love to have dungeon completion be by account instead of by character. All the tokens in dungeons have been nerf, so to me personally I feel like my alts get no benefits from repeating dungeon stories. Why not let all characters on an account be able to open the explorer path if the account has unlocked the achievement?
On a side note, how come story mode doesn’t give tokens? I’ll do story mode if this was the case, but it’s not, so please make story dungeon completion work for all characters on an account.