Blessing of Eilistraee feat
The goddess Eilistraee, the Dark Dancer, has seen fit to grant you a touch of her divine power. Eilistraee's Protection. When you are reduced to 0 HP but not killed outright, you are instead reduced to 1 HP. Once this feature triggers, it cannot trigger again until the next moonrise. Light of the Moon. While below half your hit point maximum, you can use a bonus action to shed bright light in a 15-foot radius and dim light for another 15-feet. Creatures of your choice within the light have advantage on saving throws against spells and other magical effects. This effect lasts for 1 minute and cannot be used again until you finish a long rest.