To get to the deep caverns teleport or walk to there cords (134 81 451)

Seed: 523494864961809864

Ancient City
Endless Cave
Deep Dark
Small Caves
Mineshafts
Massive Caves
Amethyst Geode
Lava Pools
Tons of Diamonds
Tons of Iron and Gold
Tons of Lapis
Big Lakes of water, spilling and not spilling
Magma Suction Water Areas
Lava Pours
A lot of mobs for XP grinding

And More...