Blatant disregard for reality

Belobog’s engine You gain advantage and proficiency with all Intelligence ability checks and saving throws. Upon rolling a success on any Intelligence ability check or saving throw, you take psychic damage equal to your proficiency bonus.

Icarus’ war-horn If you fail an Intelligence ability check or saving throw by 3 or more, it is considered a critical failure.

Recursive synapses If you fail any ability check where nothing happens upon failure, you may reroll that check once. If you succeed any ability check where nothing happens upon success, you must reroll that check once.