The entire premise of this work if we're being honest. Most "watching the show" fics have the barest minimum of plot and usually only kickstart everything. But Zayden created reaction fics that have legitimate plotlines, actual Character Development, and well-done moments that are funny, epic, and emotional, all while still playing the conventions in these reaction fics completely straight.
MHA Watches Death Battle
In General, the one-to-one matchups of the cast's alternative multiversal counterparts cause various reactions of excitement for the cast.