After defeating the boss, a treasure chest NPC spawns in the middle. When you click on it, temporal items will drop on the floor (If the difficulty is Hell or Purgatory, the rewards will go straight to your inventory). The amount of rewards scales with difficulty level. <br>
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<div align="center">
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{| class="wikitable"
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! colspan="11" |Base Reward Rate
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! rowspan="2" |Reward Item
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! colspan="10" |Difficulty Level
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! Lv 1
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! Lv 2
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! Lv 3
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! Lv 4
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! Lv 5
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! Lv 6
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! Lv 7
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! Lv 8
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! Lv 9
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! Lv 10
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|-
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|{{item List |id=25864| item=Sealed Temporal Circlet}}