User blog comment:Psychoticmangle/how many is too many?/@comment-24828824-20160205081419

for a fanfic chapter? yes i'd personally say that's too many. for an entire project? i don't know, go nuts. Just try to have it all be cohesive and follow some of the basic rules of storytelling. do't lay too much a focus on the canon cast if you also have original characters mixed in.