Ceremonial Talisman 

Item Level : 5

Item Type : Permanent (Trinket)

Gold Cost : 7000 GP

Weight : 0.2 LB

If your current hit points go below 20% of your maximum hit points [(MHP/10)*2], you can activate this item (no action required) to cast Barrier on yourself at 3rd level, using your spellcasting modifier or your highest mental ability score. When cast this way, it requires no concentration, but only lasts for 2 minutes.

This item can only be used once per long rest.