Shadow 6 Hexblade 6

Shadow Sorcerer 6 and Hexblade 6 for Wyll focuses on Darkness combat with Omen. Has extra melee attack, an extra reaction from Duelist Perogative, an extra Bonus Action thanks to Pryotechnic Quickness with Scorching Ray, and variety of elemental cantrips help Doggo to leech off Sorcery Points during non-combat from other summons. He also has Spectre which Omen can synergizes melee attacks of.

Melee oriented using Booming Blade with Potent Robe and Ring of Arcane Synergy but in a pinch Eldritch Blast with Repelling Blast to provide ranged option and can push enemies back into the Darkness. Jewelry can be swapped for Reverberation or Radiant Orbs.