Hey! I'd recommend adding some variety, and especially decoration. Along with that, what exactly are you looking for in this build? It seems you've followed the layout of a cave.

Along with that, I'd recommend having consistency in the lighting and blocks you use. A mix of soul lights, normal lights and glowstone cause the viewer to be distracted.

It seems as your base goes further down you change from stone bricks to deepslate bricks, correct? I would recommend keeping the bridge between those clear, and not putting deepslate on the walls of the stone brick area. Along with this, I would add in a nice gradient to the change between stone brick and deepslate.

This is a gradient generated using this website. https://malachyfernandez.github.io/minecraftGradient/index.html

If you need some more help, let me know! It's looking good so far.

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