Considering their roles, for players who already have built enough Harmony characters, Robin might seem redundant, especially if they have Ruan Mei. However, since most difficult content requires players to have two sets of teams, she might still offer versatility. On the other hand, Boothill can serve as an excellent DPS unit, especially if players lack DPS units in their roster. However, he might be less future-proof compared to a support unit, especially considering upcoming characters like F...