this is what i want u to take into account before answering the kekkai genkai that recquires the least amount of effort to obtain and its effectiveness against opponents in any situation
i listed both separetly cause one of the seven swordsman also had lava release hers second one is called boil release not acid releaseYou forgot mei has two kekkei genkai she also has acid mist.
Sharingan/Rinnegan everything else is fodder.