Knowledge

Adventure, do thy desire knowledge, secret magical knowledge, secrets of government, things hidden from view. Then look no further than a pact with a being a knowledge, who will grant you what you seek as long as you trade what knowledge you gain with their help, they love to collect knowledge as much as you do and so will not give it up for free.

Expanded Spell list

The being who grants your powers has given you some extra spells to help you live and collect knowledge

Enhanced Knowledge

Starting at 1st level, your patron sharpens your mind to the recall of information or glean information from new situations. You become proficient in two of the following skills: Arcana, History, Investigation, or Insight.

Your proficiency bonus is doubled for any ability check you make the uses either of those skills.

Knowledge Trade

You offer them knowledge and they gives you knowledge in return. The ritual for offering knowledge may differ depending on your preference, whether it's opening up a portal and giving them a book, or sending them knowledge from your mind.

You can offer up a book that contains new knowledge and you get advantage you checks made with intelligence for a hour.

You can offer up a Spell to gain a different Spell of the same Level.

Information from your mind gets you a brief insight to your future, allows you to reroll one dice check.

Guarded Knowledge

Starting at 10th level, you gain the ability to better guard and control the knowledge you have.

Your memories or thoughts can’t be read by telepathy or other means unless you allow it. Also when you are effected by spells or magical effects that will alter your memory or known facts in any way. This includes but is not limited to spells such as modify memory, mind blank, or feeblemind. You get advantage to Resist such effects.

Supreme Knowledge

At level 14, you gain access to supreme knowledge, you get the answer to any question you ask your patron, you can do this the amount of times equal to your proficiency score.

You get greater insight for the future as well, every short rest you can roll a d20 and use the roll to replace any roll you make until your next short rest.

Every long rest, choice an ability you are proficient with and gain expertise and gain an proficiency with a skill you don't already have until the next long rest.