Improved Frost Nova (Tier 2) has been replaced with Ice Floes (Was Tier 6) and reduces the cooldown of your Frost Nova, Cone of Cold, Ice Block and Icy Veins spells by 7/14/20%.

• 强化冰霜新星（第二层）被浮冰（第六层）取代，减少冰霜新星，冰锥术，冰箱和冰血冷脉的冷却时间7/14/20