You have entered a pact with one of the final (by this I mean the one that escaped to the stars above dobyne) mad five or their apprentices.You gain powers relating to controlling spirits as they once did as well as abilities of an indivual master.Over time you may be taken by the same madness that encompassed the original mad five.Patrons among these include high ranking members of the order of the apprenctice,archpriests of religions worshiping the mad five,Mastandrea(the last of the mad five) and zenlos (one of their original apprentices).

magic of the mad five

Starting at 1st level,you learn a single cantrip of your choice from either the druid or wizard spell list.In addition,whenever you cast a leveled spell of the evocation school you can instead choose to create a living spell of the cast spell Which is under your control and vanishes after one minute.

additional spell list

spell level    spells 

1st              detect magic, find familar

2nd        suggestion,Nathair's Mischief

3rd        magic circle,phantom steed

4th       Raulothim's Psychic Lance,conjure minor elementals

5th      planar binding,summon draconic spirit

knowledge of the mad five

At 6th level,you learn to harness the knowledge of the mad five you gain advantage on checks to discover or remember information about the mad five.In addition you can use the mad fives ancient knowledge of the world to cast arcane  once per day.When you do this the eye teleports to the most recent time one of the mad five was their showing information that could visible at the time.At 10th level,you instead cast scrying when using this ability.

spirit binder

Starting at 10th level,as an action,you can force and elemental,fey,celestial or fiend  to make a wisdom save against your spell save dc.If they fail the save they put under the effects of charm monster.

greater spirit binding

At 14th level you master the art of spirit binding.As an action,you can target a creature affected by spirit binder and force them to make a wisdom save(dc equal to that of your spell save dc) or be put under the effect the geas spell.This effect end when the charm monster effect ends.As a reaction do taking damage you can gain resistance to the damage and cause a creature affected by spirit binder to take an equal amount of damage.When this happens, the chosen creature is no longer affected by spirit binder.