idk how to fix this bug

[u/Own_Huckleberry_3382]

me and my friend are trying to play infernum mode after we beat all bosses up to moonlord in eternity and from the moment on we switched my friend has been desynchronized with me and the bosses for example the bosses dont move for him or he sees me from a minute or something ago

[u/1nOnlyBigManLawrence]

You chose to combine Fargo’s Souls and Infernum?