you monastery saw the strange ways oozes moved a hoped to emulate them.you can absorb blows and deliver doses of acid at higher levels you may learn to move like an ooze fitting into tiny holes and sliding across the battlefield.

fluid stance

Starting when you choose this tradition at 3rd level, you can change the damage type of your unarmed strike to acid when you do this you gain temp hit points equal to the attacks effected.

fluid body

At 6th level, you gain the ability to slide across the battlefield and fit into holes like an ooze.creatures you attack can not make opportunity attacks until the end of their next turn and you can fit into holes that at least one inch wide.

acidic body

Beginning at 11th level, your body becomes coated in acid and malleable allowing you to dodge or punish melee attacks with ease.when a melee attack hits you, they take 1d4 acid damage otherwise you gain +10ft movement speed that lasts until the end of your next turn.

a capstone

At 17th level,you gain the ability do to something (sorry if you were hoping to make a high level monk of this subclass need inspiration for a capstone)