Nether biome Xanthous forest

This biome would be sparse with xanthous Nylium which would be yellow on the ground xanthous fungi which would be few and far in-between  xanthous fungi trees which would be few and far in-between  have yellow veins and come with a yellow brown wood and variant called xanthous planks there would also be small lava pools dotted around 1 new plant called xanthous stalk which would grow like bamboo and grow 3 blocks tall can could be eaten or used as a potion ingredient piglins would spawn here as well as 2 new mobs Drake a lizard like mob That is 1.5 blocks tall 4 blocks long and 2 blocks wide has around 25 hearts and deals 2 damage on easy 4 on normal and 6 on hard it has amber eyes horns walks on 4 legs has spikes down its back and tail and is neutral this mob would sit in the lava pools and wait for something to come by and then attack ii if it misses it will chase its target for 15 seconds before giving up this mob can spawn being ridden by a piglin in group of piglins that spawn in the forest it could also be tamed by the player with any kind of meat but it would take at least 8 pieces to tame the second mob Rhuion this mob would have 2 red eyes on the side of its face and be plump in apperance this mob would be 2 blocks tall 2 blocks wide and 3 blocks long with 3 pairs stubby legs it would be hostile if you got within 6 blocks of it but on sight if it has babies with it the piglins would also hunt this mob it would drop raw Rhuion on death