Board Thread:Questions and Answers/@comment-1.9.102.190-20131217143140/@comment-27188908-20131217165036

The ★ is basically a Rank 11 weapon in God Eater Burst, only the weapons the can be upgraded to ★ are transferable to God Eater 2. But you don't have to upgrade them to ★, even the lower ranked weapons are also transferable.