It is related to the cinematic representation of "amore e morte", one of leopardi's poem. In his imagination, Fanny comes to him in a shining armor and gives him one last kiss before he hyphotetically dies

This is classic- the mail, the red cloak, the embroidered patch. This is Erik's aesthetic.

Sampson: Ay, the heads of the maids, or their maidenheads, take it in what sense thou wilt.