Talk:Tiamat/@comment-27006088-20161208173038/@comment-27971189-20161208185001

E to A++ for EMIYA stands for minimum and maximum rank of weapons he can create.

UBW have penalty 'weapon created decrease one rank'. With EX-rank weapon method of crafting require divine construction and otherworldly material, EMIYA capable to copy at best A+++ NP hence A++ to E.