>>96541223
>Why not?
Because that's what Henchmen are for. What are Henchmen for, otherwise? Why is there a limit on the number of them you can have anyway?

In fact, it's explicitly forbidden by Gygax (play be upon him), see picrel, particularly the part on DMG page 111, that excludes it explicitly, but I'm linking the whole infographic for greater context on how big boy campaigns are run.

>It's not that prone to abuse, is it?
Potentially, it is. It's unfair to players who don't run multiple PCs, for example when a PC dies, or if you allow adversarial play, as you should.