Eternal Debris

Eternal End

Any pickaxe

Tool	pickaxe
Found In	All six biomes (Shadow Fold, Verdant Grove, Sporelight Hollow, Prism Peak, Gilded Ridge, Vanilla End biome) - generates only on the lowest islands and is almost always hidden beneath other blocks.

This addon's Ancient-Debris-equivalent source block for Enderite. Explosion resistance is Indestructible; mining time 4 seconds. Block id panascais_end:eternal_debris. Wiki does not document its exact drop item or a specific tool tier requirement.

Sources

Panascais Wiki (Notion)