| Lvl 1 | Increases the user's strength and activates "Slumber Strike Stance." During Slumber Strike Stance, the user's force strikes will deal extra damage and inflict sleep. |
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| Lvl 2 | Increases the user's strength and activates "Slumber Strike Stance." During Slumber Strike Stance, the user's force strikes will deal extra damage and inflict sleep. |
| Lvl 3 | Increases the user's max HP for the remainder of the quest, increases their strength, and activates "Slumber Strike Stance." During Slumber Strike Stance, the user's force strikes will deal extra damage, inflict sleep, and dispel one buff from each target. |
