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The Ol' Stringeroo

You now have a 5% chance to not use up your final Token

Field Value
Cost growth 1.6x per level before New Game+ adjustment
Cost behavior Normal room upgrade. Room cost reductions can apply; New Game+ makes cost growth steeper.
Player impact Improves the room’s income, speed, cost curve, or support systems.
  • Gacha Quarter Save: +0.05 at level 1 (per level)