Base Class: Warlock
Your patron is an otherworldly green owl. It is unknown where exactly it came from or how it got created in the first place. All that is known about this being is its infinite hunger for knowledge and its explosive temper. By accepting the boon of this being you will be able to weaponize knowledge itself.
Extended spell list
The Eldritch Owl lets you choose from an expanded list of spells when you learn a warlock spell. The following spells are added to the warlock spell list for you.
Encoding word, Healing word, Mass healing word, Vicious mockery.
Voice from Beyond
Forcefully project your knowledge about languages into a targets mind. The target must make a save (INT DC12 + amount of languages known to the user.) The target gets to remake its save at the end of its turn.
lasts 1 minute
Eldritch knowledge
At 1st level, you learn two language of your choice. You learn another language of your choice at 6th and 14th levels.
Eldritch knowledge
At 1st level, you learn two language of your choice. You learn another language of your choice at 6th and 14th and 18th levels.
Voice of the Cursed
The Eldritch Owl curses a language you know. You can designate up to three creatures that do not know this language. Upon casting a spell that requires vocalization the designated creatures take 1d6+languages known psychic damage.
This damage increases by 1d6 at 10th, 14th, 18th, and 20th level.
Eldritch knowledge
At 1st level, you learn two language of your choice.
You learn another language of your choice at 6th and 14th levels.
The Abyss
If you stare into the abyss the abyss stares back.
You gain advantage on intelligence checks and gain resistance against Psychic damage.
When a creature attempts to read your mind it must make an Intelligence save against your spellcasting save + languages known. Upon a failed save the caster takes 1d10+Languages known psychic damage.
Voice of Empowering
The Eldritch Owl grants you the wisdom to Empower people with your voice.
As a reaction add half your languages know (rounded up) to a save made by you or anybody that can hear you.
This can be done 3 times per long rest.