Amorphous. The ooze can move through a space as narrow as 1 inch wide without squeezing.
Spider Climb. The ooze can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Limited Magic Immunity. The ooze can't be affected or detected by spells of 3rd level or lower unless it wishes to be. It has advantage on saving throws against all other spells and magical effects. If the ooze is hit by a spell or magical effect that deals acid damage, it instead heals an amount equal to the damage dealt.
Sense Magic. The ooze senses magic within 60 feet of it at will. This trait otherwise works like the detect magic spell but isn't itself magical.
Multiattack. The ooze uses its spell siphon if it can, it then makes two pseudopod attack.
Pseudopod. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 6) bludgeoning damage plus 12 (3d8) acid damage and the target is grappled (escape DC 15).
Spell Siphon (3/day). The ooze picks one spellcaster it can see within 60 feet of it. That creature must succeed a DC 15 Wisdom saving throw or have a spell slot of its highest level expended, and the ooze gains temporary hit points equal to 5 times the slot's level.
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