Welcome to your new campaign!
Be sure to check the Erlkazar wiki. There is some helpful info there. Below is some regional information as well.
Recommended Subraces: Calishite, Tethyrian
Automatic Languages: Chondathan
Bonus Languages: Alzhedo, Dwarven, Elven, Goblin, Orc, Shaaran
Favored Deities: Azuth, Dumathoin, Helm, Ilmatar, Mystra, Torm, Tyr
Regional Feats: Blooded, Fearless, Luck of Heroes, Strong Soul
Bonus Equipment: (A) Potion of Cure Moderate Wounds, or (B) masterwork longsword
Note: Regional Feats are found in the Player’s Guide to Faerun accessory.