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Ultimate Guide: What to Put in Permanent Upgrade Slots Cookie Clicker in 2026

"Optimizing your Heavenly Chips allocation is the single most critical progression milestone in Cookie Clicker. When you ascend and reach the late-game phases of 2026, choosing the wrong upgrades for your Permanent Upgrade Slots can cost you months of effective cookie production. Permanent Upgrade Slots allow you to carry over vital upgrades across ascensions, completely bypassing the tedious early-game grind and instantly accelerating your CPS (Cookies Per Second). Understanding Permanent Upgrade Slots and Heavenly Chips Mechanics Permanent Upgrade Slots unlock progressively as you purchase specific Heavenly Upgrades using your hard-earned He..."

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