How to Unlock Icebreaker from the Main Menu! No boss kill required

Hi! recently unlocked icebreaker through the main menu and thought Id show you how, since there is very little info out there and a lot of it is conflicting. This is how I did it! hope it helps yall, much love Come hang on twitch or checkout my insta! twitch.tv/mysticblizard   / mysticblizard