Talk:Rou/@comment-216.21.162.107-20150610125832/@comment-4784862-20150611145041

They're different abilities, because he synthesizes the 3 "Fiend" ones into the Archfiend one...but the "High Demon" one is left alone.

Also...all 4 of those are listed in the author's ability list (well, 5 if you include Archfiend).

What they summon...I don't really know the details, honestly...since the author's descriptions simply say Demon(kind) and Fiend in their summoning abilities. It doesn't give examples. The abilities have similar names, but they're clearly different. ^^