Suction

Suction is a face to face ability used by the female of the 4 mysterious beings
If the user is able to kiss a target, they can suck up the targets stomach acid from their stomach like someone drinking a liquid through a straw, the user isnt affected by swallowing the acidic liquid into themselves although too much can cause gag reflexes Only works mouth to mouth.
She uses a large canister to store all of the excess stomach acid.