Sylas hadn't had the chance to use this Skill since the battle started. The distance between himself and the spider queen was too large, and he also didn't dare to stay near it for too long.
But this time, he needed it. Not for the continuous poison damage, but rather for an effect of the Skill that he had mostly ignored just now.
His Ice-Poison Skills were weaker now because the climate wasn't conducive to its strength. Or more accurately, the Ice aspects of his affinity were in very limited supply. By comparison, the amount of Poison Runes in the surroundings couldn't be any higher.
However, if he used <Arctic King's Domain>, he would be able to strengthen the ice aspects in the air to the point where he could force his Skills beyond the usual tier.
When this activated, a blizzard surrounded his body, and his Ice-Poison Skills were boosted by several dozen percentage points.
Winter's Edge.