Going back to the main topic, I again think 4e roles as a module would help. Here is the role ruling I use.
| Role | Save with Advantage | Saves with Disadvantage | Additional Save with Advantage if Solo | Damage effect | AC effect | |
|---|---|---|---|---|---|---|
| Artillery | Dex, Int | Con | Wis | Range damage dice increase by 2 | -2 AC | |
| Blaster | Con, Cha | Dex | Wis | AOE damage dice increase by 2 | ||
| Bruiser | Str, Dex | Int, Cha | Con | |||
| Brute | Str, Con | Wis | Dex | Melee damage dice increase by 2 | -2 AC | |
| Controller | Int, Wis | Dex | Con | |||
| Healer | Wis, Cha | Str, Int | Con | Heal dice increase by 3 | -1 AC | |
| Leader | Wis, Cha | Dex | Con | Heal dice increase by 2 | ||
| Lurker | Dex, Int | Con | Wis | |||
| Skirmisher | Dex, Int | Wis | Con | |||
| Soldier | Str Con | int, Cha | Dex | Range damage dice decrease by 3 | +1 SC | |
| Tank | Str, Con | Dex | Wis | All damage dice decrease by 1 | +4 AC |