Sasheem mainly travels along with Zaofan and Ochazuke to the Shrines. So far he's gotten the Spider's Blessing ability.
He'll be around later for the Zaofan event on the Lookout.
Around the time Blizz's machinations have been discovered by the GP Blizzar had since set up the Global Defense System. He's currently playing both side between the Galaxy Police and Blizz.