RarePickaxe
Fission Blade
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Set
Nuclear Fusion
Introduced
Chapter 6, Season 2
First Released
March 25, 2025
Times in Shop
Never in shop
Days Since Last Seen
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Fission Blade was released on March 25, 2025 and has not appeared in the Item Shop since fnvault began tracking.
fnvault has tracked shop appearances since July 15, 2026.
Official art. The preview above is a stand-in until our own renders land.