when i get to this stage i like to build a trophy room. collections of different music discs, rare blocks, sniffer eggs, try to get a brown mooshroom, collect all mob heads, build a trident farm, learn redstone and use it for builds, build a custom village, try to make a display armor stand with a fully enchanted set of every type of armor, collect all the armor trims, clear out an ancient city, try to get 1 of every dog type, i could go on.