You to much time beg a Great Wizard for spells and the Wizard is have pit on you.

Expanded Spell List

A Wizard 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.

Fiend Expanded Spells

Spell Level	Spells
1st	Grease, Magic Missile
2nd	Acid Arrow, Enlarge/Reduce
3rd	Fireball, Haste
4th	Confusion, Greater Invisibility
5th	Cone of Cold, Teleportation Circle

Arcane quickness

Starting at 6th level, you can cast cantirps as a bonus action number of {{(modifier:cha)@min:1#unsigned}}/short rest

Wizard’s Gift

You can use your reaction to get advantige on spell saving throws or disadvantige on spell or cantrip attack roll number of Cha modifier (min. 1)/short rest.

Arcane adapt

You can choose one spell on your spell list which can cast without material component (you can change on a longrest).
You can't choose spells which component prise higer than 1 gold coin.

Arcane charge

You can cast a spell on your spell list as a 9th level spell.

Once you use this feature, you can’t use it again until you finish a long rest.