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.
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.
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.