You get 12 skill quick slots per layer. A lot of slots, this is great for mage classes.

每一层有12个快捷技能栏。很多的快捷栏，这对法师职业非常重要。

youdao

A character doesn't gain epic spell slots by virtue of his or her level and class, however. A character gets one epic spell slot for every 10 ranks he or she has in the relevant Knowledge skill.

传奇法术位的获得与施法者的职业和等级无关，他(她)每拥有10级相应知识技能等级，就获得一个传奇法术位。

youdao

The first is a block, which does not take up one of your limited skill slots, consumes stamina and lets you deflect incoming attacks and interrupt spell casts.

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