Over the Edge
Warlocks are seekers of the knowledge that lies hidden in the fabric of the multiverse. Through pacts made with mysterious beings of supernatural power, Warlocks unlock the magical effects both subtle and spectacular.
The base Warlock is found in the 5E Players Handbook, a pdf of the PHB can be hound here.
Customization for the Warlock consists of choices for Otherworldly Patron and Pact Boon (all Warlock choices are shown below):