What is the purpose? I think overall Nick would be best as he is great for act 5+6, can take on LoL, handles UC EQ nicely and really doesnt need a high sig level. (Plus he has awesome synergies!) Ægon is better for AoL and longer quests, can be used for act 5/6 but unless you're using him for every fight you wont reach his full potential. Also he needs a high sig level. Blade would be another one if you needed a regen champ, he can save you lots of potions and therefore units but is not as relevant today as he was a year or two ago. Hope this helped
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Also, what content are you trying to do.
I think overall Nick would be best as he is great for act 5+6, can take on LoL, handles UC EQ nicely and really doesnt need a high sig level. (Plus he has awesome synergies!)
Ægon is better for AoL and longer quests, can be used for act 5/6 but unless you're using him for every fight you wont reach his full potential. Also he needs a high sig level.
Blade would be another one if you needed a regen champ, he can save you lots of potions and therefore units but is not as relevant today as he was a year or two ago.
Hope this helped
If you only have a couple stones and want a general questing champ, then nick