Raven as symbol of death can also be seen in some tarot packs as card 13 instead of Grim Reaper [13=1+3=4=4th Dimension=Time - Grim Reaper=Time.

• 乌雅，作为一种死亡的标记，也可以在一些占卜用的塔罗牌上看得到，在第十三张牌是严酷的收割机[13=1+3=4=第四维度=时间-严酷的收割机=时间