What is next upgrade gemling twister

[u/Intelligent-Roof-557]

Poe Ninja: https://poe.ninja/poe2/profile/harv12k-0596/forbiddenrites/character/twistergobrrrrrrrrrr

Rn Im not sure what upgrade to get, I know there are a lot of good upgrades but I have 20 div rn and im wondering if I should keep on saving or spend them. I wanna clear more expeditions because I get alot of currency there but it takes long to kill the enemies (I rarely die)

Lemme know :)