Since Myst uses Magic instead of Stocks and Cooldown, certain items work differently for Myst.

All items that give Cooldown Reduction will instead reduce the duration of MP recharge.

All items that grant extra ability Stocks (such as Backup Magazine) will increase maximum MP:

List of items with unique interaction

This list includes vanilla items that cause the effects listed above

Icon	Name	Description
	Brainstalks	Upon killing an elite monster, enter a frenzy for 4s (+4 per stack) where Magic Recharge lasts for 0.5s
	Alien Head	Reduces Magic Recharge duration by 25% (+25% per stack).
	Light Flux Pauldron	Reduces Magic Recharge duration by 50% (+50% per stack). Decrease attack speed by 50% (+50% per stack)
	Hardlight Afterburner	Increase Magic by 50 (+50 per stack). Reduces Magic Recharge duration by 33%.
	Backup Magazine	Increases Magic by 10 (+10 per stack)
	Lysate Cell	Increases Magic by 15 (+15 per stack)
	Bandolier	18% (+10% per stack) chance on kill to drop an ammo pack that restores 20 Magic
	Rusted Key	Grants 2 Extra Magicite Slots while held (this effect does not stack with itself or similar effects)
	Encrusted Key	Grants 4 Extra Magicite Slots while held (this effect does not stack with itself or similar effects)
	Ancient Scepter	Grants 8 Extra Magicite Slots while held (this effect does not stack with itself or similar effects)