Deep Dark Grove Ideas (And Potion Ingredients Maybe)

Add a subtype biome or variant of the Deep Dark, like a Deep Dark Grove (Underground Forest) or an underground beach or something with a new mob that inhabits it. It can be something that either relates to the Warden or relates directly to the Sculk itself (can be passive/neutral/hostile). It can drop a new item needed for potions, decorations, armor, weapons, etc.

Add a new tree (with glowing leaves/give off light maybe) with a new wood type and drops something needed for new potions or to craft some kind of new weapon or adds an elemental aspect to existing weapons (new versions?)

Last, maybe some kind of new mushroom/fungi used for potions or etc that can only be found here. Maybe it gives off a soft glow that slowly changes from blue/cyan/green and back (cool for decoration\more lighting options?)

Oh and, maybe a new type of Skulk block that is found here too, like another light block that reacts to sound.