Very true. However, against the adramelech, he will become toast with out armor. Two 16-21 dice fireballs and he's toast.
Well, in that case he should be, shouldn't he ?
Have you done the math at how much mana has been thrown at his destruction ?
A grizzly is 17 mana and one full action
Your opponent has thrown at least 1 Acid Ball at him (5)
plus two Fireballs (16) and since you're saying here the fireballs did 16-21 damage I assume there's a Curse on him too ( +/-5 ) and the Warlock is likely wearing a Fireshaper ring (3) and a Hawkeye (3) but these latter two are not lost after his destruction.
That means there's a total of about 32 mana spent on his destruction of which 26 mana is lost and at least 6 actions.
This means you come out on top imo, certainly if you managed to hit with the grizzly at least once. You gain about 15 mana and 5 actions on him. What did you do with those ?