Only ingage him when he's low. He can disarm you and make you an easy prey for his damage dealers. He also make your shield useless so you can't use your regeneration card. Try to simply avoid him and focus on the backlines.Hes slow and hasnomobility
Force Torvald to use his Recharge ability, before you pull out your Energy Shield. If you pull it before he uses his ability, he might sustain on the point longer and your shield will be severely crippled.