tentacled eldritch creature

Exact recreation of reference image, full body in open threatening pose arms slightly spread, eldritch entity tentacles black and purple emerging from back twisting and dripping black ooze, no suckers, purple-black cracked fur texture, spiky quills upwards like corrupted flower, completely black void eyes, no mouth, heavy ink sketchy brush strokes dripping style, dark purple black palette, cartoon horror aesthetic, glitch subtle RGB aberration on edges, exaggerated proportions big head, clean low-poly game-ready topology