Just spent 5 arena token on a single Tormin 5 stars with on my side a Kael and Warmaiden 6 stars, hihihi... Very well balanced character! I can't keep playing this game after that. Have fun. Cya! 

Cirilla said:

Hi, guys! Thank you very much for sharing your thoughts on Tormin with us. We have forwarded your feedback to our game designers. They are going to review it thoroughly and make their decision based on that. The champion will definitely remain strong and a meta changer. What we are going to do is review his Passive Skill, most likely, and fix minor bugs in his performance. We want you to understand (and I can't stress it enough) that we will make sure that he does not lose his incredible strength and uniqueness, you will enjoy using him, and he won't become a Vault guard. We guarantee that. Now, we do apologize for the whole rollercoaster with these changes. But we need to go for it to make sure that the future of the game balance does not suffer because of this aspect.

Hi I know it a little later however been playing around a lot with Tormin the Cold in Campaign, Arena, CB, Dungeons

just some ideas 

A1/Attacks all enemies. Has a 15% chance of placing a [Freeze] debuff for 1 turn. Instantly activates this Skill whenever an enemy under both a [Freeze] and a [HP Burn] debuff takes damage from the [HP Burn] debuff. (really need to change the HP burn for [Heal Reduction] or [Block Buffs] debuff) level 2 and level 3 should increase damage, not Debuff chance keep it 15%) -10%less

A3/Blizzard Rage [DEF] (Cooldown: 4 turns)

Attacks all enemies. Places a [Block Buffs] debuff and a 100% [Heal Reduction] debuff for 2 turns on enemies under [Freeze] debuffs. Has a 60% chance of placing a [Provoke] debuff for 1 turn on enemies not under [Freeze] debuffs. (Decreases the cooldown of 1 random Skill of each ally by 1 turn for every enemy attacked under both a [Freeze] and a [HP Burn] debuff. Remove this)

Passive/Wintry Wind [Passive] (Cooldown: 8 turns)

[Passive Effect] Has a 15% chance of placing a [Freeze] debuff on the enemy each time they receive a buff, get healed, or have their Turn Meter filled. (The 15% chance applies for each effect individually in cases where an enemy receives multiple of these effects at the same time. ) Change The 15% chance only apply once for each effect individually in cases where an enemy receives multiple of these effects at the same time. Level 4 and level 5 should not increase the Debuff -10%

[Active Effect] Revives this Champion to 100% HP when killed (and placed a [Freeze] debuff on this Champion for 1 turn. Remove this)