Deafened in 5e is one of the least severe conditions, depending on your circumstances. In fact, it is also a buff in some situations.
Charmed is a 5th Edition Condition that is usually pretty tame. However, it can quickly become serious in certain situations.
Blindness is a condition in 5E DND that removes sight of an affected creature. In some cases, it is a very difficult condition to deal with, but not usually.
These DnD House Rules will make your campaigns much more enjoyable, at least if you’re anything like me.
Incorporate Partial Success into your table with 5E Alternate Combat Rules designed to speed up combat.