From The Shadows Mod 1.20.1/1.19.2/1.18.2 (Dangerous Mobs)

From The Shadows mod 1.20.1/1.19.2 will add new powerful dangerous mobs and new equipment to Minecraft game. Nehemoth is a dangerous monster that rarely spawns in caves. He will use very strong attacks, trying to kill the player. If the player manages to escape to the surface, the Nehemoth will be petrified by sunlight before nightfall. By killing this monster, you can get crystallized blood from it, from which a new material is crafted – Diabolium. Froglin can eat you in one bite, so beware of him in Lushcave. After death, you can use his legs to make a potion of leaping.