The Seph the Sorcerer Title update for Project Spark has 6 achievements worth 75 gamerscore.
Finish your 1st Crossroads experience with Seph.
Defeat the Necromancer with Seph in Crossroads.
Complete 10 Champion Challenges with Seph.
Complete 50 Champion Challenges with Seph.
Reach Level 10 with Seph.
Reach Level 20 with Seph.