I’ll point out one good resource on the forum for working out which status effects/ debuffs/ buffs stack with each other:
in terms of where you can compare different heroes at there are three great resources that I would recommend.
First is the Hero Utility by Razor, Second is the Hero Guide by Anchor (and the 7DD + friends crew). The last is a newer website which has the heroes but also allows you to filter them by effects.
