Talk:Dragon Key/@comment-109.193.87.88-20170605204748

besides their main use the vaults. they can be used for warframe build. example. use a decaying key on your oberon to lower his shield so you get the rage energy conversion sooner. or put a bleeding key on your assimilate nyx  wich has the equalibrium mod equiped. so you can lose health at will and control your energy.