Of course. According to official website's query, the Three Kingdoms Kill Game shows that the equipment card and alcohol can be discarded when the Three Kingdoms Kill Ice Sword starts the skill. The skill of killing ice swords in the Three Kingdoms is that you can give up damage and discard your opponent's cards instead. Ice sword is an equipment card for killing weapons in the Three Kingdoms. After equipped with the ice sword, if the killing you hit can take effect, then you can give up the damage caused by this killing.