Assassin Ooze

Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing.

Assassinate. Any weapon that hits the Ooze gives the Ooze a +5 bonus to hit and to damage on the Ooze's next turn.

False Appearance. While the ooze remains motionless, it is indistinguishable from an oily pool or wet rock.

Sticky. the Ooze can climb on ceilings and walls just like on regular terrain. Once they climb on a wall they fall from the ceiling onto unlucky prey. 

Death production. When the Ooze is killed it is automatically made into two more Ooze's, these Oozes have 6 heath and can only do (1d6-2) bludgeoning damage each turn. 

Pseudopod. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 4) bludgeoning damage plus 7 (2d6) acid damage if the target is at half health or lower.

Drop. Anything under the Ooze will take 6 (1d6 + 4) bludgeoning damage plus 7 (2d6) acid damage. The Ooze can only drop if it is on the ceiling right above the unlucky creature. 

Consume. The Ooze can consume the weapon that hits it when the player rolls a 20 or higher to hit the Ooze. The weapon that is consumed does a -3 damage till the weapon can only do 1 damage, if the weapon is taken to a blacksmith at a village they can repair it for a decent amount of gold.