you can actually use her as a chakra battery for shark bomb teams too (actually ningendo ones full counter comparable power kakuzu teams if they don't use earth main immunity passive, but they usually don't do because you have no sureness to select kakuzu).

example:

ningendo (full sb/mystery trial) konan taisho x

itachi normal (full sb) x x

x x water main

talents: 22323, summon: dog of hell/kirin (if you want to counter kakuzu teams, otherwise koh/tortoise/gamakiri)