The elder gods are gods whose age is beyond mortal comprehension. They are of immense power. Capable of destroying multiverses in instances. You have chosen an elder god as your patron. 

Multiversal knowledge

You gain the ability to concentrate on up to 2 spells at once. At higher levels: at level 10 and above, you can concentrate on up to 3 spells.

Elder power

You gain +3 to all ability checks

Reality bend

Once per short rest, you can call on your patron to instantly destroy one creature that has opposing alingment to you and has less challenge rating/level than you.

Eldrich sight

You gain truesight

Bypass defence

If you attack a creature which has resistance to the damage type you attacked with. The creature becomes vunerable to this type in accordance with this attack.