Agent's Sacrificial Knife
 | Type | Secondary Ascension Material |
| Rarity | ||
| In-game Slang | Character Level-Up Material | |
| In-game Description | An oddly-shaped weapon made with superior Snezhnayan technology that once belonged to a senior agent. Proper training is required for using this strange weapon. |
| Dropped by Lv. 40+ Agents |
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 | Astable Invention |  |
When Sucrose crafts Character and Weapon Enhancement Materials, she has a 10% to obtain double the product. |
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| Paimon's Bargains |
