


His level 20 talent, "Death's Advance", increases the maximum slow to 60%.His level 7 talent, "Frozen Wastes", causes it to last 1.5 seconds longer on heroes after the quest is completed.Arthas' ability, "Frozen Tempest", continually slows nearby enemies by 10% per second, stacking up to 40%.Anub'arak's ability, "Burrow Charge", slows enemies hit by 25% for 2.5 seconds.Alexstrasza's trait, "Dragonqueen", allows her using "Wing Buffet", slowing enemies hit by 50% for 3 seconds.Her level 4 talent, "Heat Exhaustion", increases the initial slow amount to 50% and removes the decay.Alexstrasza's ability, "Flame Buffet", slows enemies by 40% decaying over 2 seconds if they are already affected by its Damage over Time effect.
