Image promptshambling mound, large walking heap of rotting vines and dripping black roots, hunched trudging form, two crude tendril arms, dark engulfing maw, blue lightning arcing harmlessly through its sodden mass, sheeting water and slime, fetid swamp of black water and drowned trees, rotting mossy green and peat-black, eerie blue electric flicker, low fog, menacing advance, dark fantasy, grimdark, painterly digital art, dramatic chiaroscuro lighting, muted desaturated palette with corrupted-crimson accents, weathered post-Cataclysm atmosphere, intricate high detail, cinematic composition

Shambling Mound

Large Plant, Unaligned
CR 5SoldierForest / Feywild
AC 15
Initiative −1 (9)
HP 110 (13d10 + 39)
Speed 30 ft., Swim 20 ft.
STR
18
+4
save +4
DEX
8
−1
save −1
CON
16
+3
save +3
INT
5
−3
save −3
WIS
10
+0
save +0
CHA
5
−3
save −3
Skills Stealth +3
Resistances Cold, Fire
Immunities Lightning; Deafened, Exhaustion
Senses Blindsight 60 ft.; Passive Perception 10
Languages None

Traits

Lightning Absorption . Whenever the shambling mound is subjected to Lightning damage, it regains a number of Hit Points equal to the Lightning damage dealt.

Actions

Multiattack. The shambling mound makes three

Charged Tendril attacks. It can replace one attack with a use of Engulf.

Charged Tendril. Melee Attack Roll: +7, reach 10 ft. Hit: 7 (1d6 + 4) Bludgeoning damage plus 5 (2d4)

Lightning damage. If the target is a Medium or smaller creature, the shambling mound pulls the target 5 feet straight toward itself.

Engulf. Strength Saving Throw: DC 15, one Medium Failure: or smaller creature within 5 feet. The target is pulled into the shambling mound’s space and has the

Grappled condition (escape DC 14). Until the grapple ends, the target has the Blinded and Restrained conditions, and it takes 10 (3d6) Lightning damage at the start of each of its turns. When the shambling mound moves, the Grappled target moves with it, costing it no extra movement. The shambling mound can have only one creature Grappled by this action at a time.

Shield Guardian Shield Guardian