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Increases the rate of sleep buildup. (Sleep buildup has a maximum limit.)

Multi-language

	English	Chinese (simplified)	Chinese (traditional)	Japanese
Skill name	Sleep Attack	睡眠属性强化	睡眠屬性強化	睡眠属性強化
Deco name	Sleep Jewel 2	睡眠珠【2】	睡眠珠【2】	睡眠珠【2】
Deco name	Sleep Jewel+ 4	睡眠珠 II【4】	睡眠珠 II【4】	睡眠珠 II【4】

Skill info

Skill name	Skill description	Max lv	Skill effects
Sleep Attack	Increases the rate of sleep buildup. (Sleep buildup has a maximum limit.)	3	Lv1. Sleep buildup +5% Bonus: +1 Lv2. Sleep buildup +10% Bonus: +2 Lv3. Sleep buildup +20% Bonus: +5