Dota 2 Terrorblade Mix Set Arcana Fractal Horns of Inner Abysm with Marauder's Reflection - YouTube
Fractal Horns of Inner Abysm - Dota 2 Wiki
Fractal Horns of Inner Abysm accepts Prismatic gems to colour Terrorblade's effects and spells. Let's see if we can make a collection of the colours! : r/DotA2