RANK UP GEM HELP [EDITED BY MOD FOR CLARITY]
so i just finished up v5 and pulled a cosmic 4-5. I'm still a little new to the game and was looking for experienced players thoughts on how I should use it. I was thinking of using it on cull obsidian. What do you guys think i should do? I'm on act 6.2 btw and yet to do v3,2 and 1