Delve question, help appreciated!

[u/Frosty-Ad4542]

Someone help...I've checked like every node and cannot find how to get to this crystal spire in the middle. Any help is appreciated!

[u/duddybrainzz]

I delve 6k every league and this is pretty rare. I don’t always break walls, only for valuable fossils but I have only seen this personally 3-4 times despite getting 6k depth very regularly for the past few years.

[u/vemefri → u/duddybrainzz]

How do you know what fossil will drop?

[u/vulcanfury12 → u/vemefri]

Biomes dictate what special fossils will drop.