Primeval Thule: Guardian of the Nine for D&D 5th Edition

Backgrounds here are bases on the Narratives in Primeval Thule, so they will gain abilities as a character levels.  They are only intended for use in the Primeval Thule setting and are not designed to be mixed with standard Backgrounds.

Also, some of the abilities require the expenditure of a resource, for this reason and for how dangerous the setting is, each character gains the Lucky Feat for free and may take the Lucky Feat one additional time.

Guardian of the Nine 

Area of Expertise (1st level): You have advantage on any ability check pertaining to the Great Old Ones.

Langauges (1st level): Mi-Go.

Tools Proficiencies (1st level): Sea vehicles, astrolabe, and an additional one of your choice.

Mind Clearing  (Level 1):  You can spend a Luck point to reroll a failed Wisdom saving throw with advantage, unless the initial roll was a natural 1.

Banisher of Horrors (6th level): You gain a +1 bonus to attacks, AC, and saving throws when you’re battling creatures with the extraterrene trait.

Optionally this is a feat and can only be taken if you have this background and are at least 4th level.

Chosen of the Nine (10th level): All of the Nine Powers regard you as a steadfast ally. Choose one skill or tool that you are proficient in and gain double your proficiency bonus with that skill or tool. Additionally, as an action choose one spell or tool and gain proficiency in it for 10 minutes.

Optionally this is a feat and can only be taken if you have this background and are at least 8th level, additionally gain +1 Wisdom.