The Great Donut Singularity: Krullian Krystal Activation

Warning: Prolonged exposure to the Donut Singularity may cause spontaneous combustion, spontaneous happiness, or spontaneous desire for more donuts.

Activate your Krullian Krystals to reach the next level of donut enlightenment.

Hyperlink to the Donut Overmind: Upgrade Your Krystals

Or, if you're feeling extra bold, try the Super Krullian Krystal Activation, but be warned: it may not be for the faint of heart.