# [Psionic Shambling Mound](Rules\Source\bestiary\plant/psionic-shambling-mound-pabtso.md) *Source: Phandelver and Below: The Shattered Obelisk p. 108* ```statblock "name": "Psionic Shambling Mound (PaBTSO)" "size": "Large" "type": "plant" "alignment": "Unaligned" "ac": !!int "15" "ac_class": "natural armor" "hp": !!int "136" "hit_dice": "16d10 + 48" "modifier": !!int "-1" "stats": - !!int "18" - !!int "8" - !!int "16" - !!int "5" - !!int "10" - !!int "5" "speed": "20 ft., swim 20 ft." "skillsaves": - "name": "[Stealth](/Rules/Source/skills.md#Stealth)" "desc": "+2" "damage_resistances": "cold, fire" "damage_immunities": "lightning" "condition_immunities": "[blinded](/Rules/Source/conditions.md#Blinded), [deafened](/Rules/Source/conditions.md#Deafened),\ \ [exhaustion](/Rules/Source/conditions.md#Exhaustion)" "senses": "[blindsight](/Rules/Source/senses.md#Blindsight) 60 ft. (blind beyond this\ \ radius), passive Perception 10" "languages": "" "cr": "5" "traits": - "desc": "Whenever the shambling mound is subjected to lightning damage, it takes\ \ no damage and regains a number of hit points equal to the lightning damage\ \ dealt." "name": "Lightning Absorption" "actions": - "desc": "The shambling mound makes two slam attacks. If both attacks hit a Medium\ \ or smaller target, the target is [grappled](/Rules/Source/conditions.md#Grappled)\ \ (escape DC 14), and the shambling mound uses its Engulf on it." "name": "Multiattack" - "desc": "*Melee Weapon Attack:* +7 to hit, reach 5 ft., one target. *Hit:* 13\ \ (2d8 + 4) bludgeoning damage." "name": "Slam" - "desc": "The shambling mound engulfs a Medium or smaller creature [grappled](/Rules/Source/conditions.md#Grappled)\ \ by it. The engulfed target is [blinded](/Rules/Source/conditions.md#Blinded),\ \ [restrained](/Rules/Source/conditions.md#Restrained), and unable to breathe,\ \ and it must succeed on a DC 14 Constitution saving throw at the start of each\ \ of the mound's turns or take 13 (2d8 + 4) bludgeoning damage. If the mound\ \ moves, the engulfed target moves with it. The mound can have only one creature\ \ engulfed at a time." "name": "Engulf" - "desc": "The shambling mound casts one of the following spells, requiring no spell\ \ components and using Intelligence as the spellcasting ability (spell save\ \ DC 8):\n\n**At will:** [minor illusion](/Rules/Source/spells/minor-illusion-xphb.md)\n\ \n**1/day:** [charm person](/Rules/Source/spells/charm-person-xphb.md) (already\ \ cast)" "name": "Spellcasting (Psionics)" "source": - "PaBTSO" "image": "/Rules/Source/bestiary/plant/token/psionic-shambling-mound-pabtso.webp" ``` ^statblock