Maintenance for the week of November 17:
• [COMPLETE] ESO Store and Account System for maintenance – November 17, 6:00AM EST (11:00 UTC) - 4:00PM EST (21:00 UTC)
• Xbox: NA and EU megaservers for maintenance – November 19, 4:00AM EST (9:00 UTC) - 12:00PM EST (17:00 UTC) https://forums.elderscrollsonline.com/en/discussion/685477
If you're going full pet you'll only have 3 slots free on each bar so choose what you feel you absolutely need. Frag, a ward or 2 and curse should probably be at the top of your list. Don't gimp yourself any more than you need to. There are plenty of up to date pet builds out there, just google "sorc pet build". Not sure what stage of the game you're at but check out the necropotence set, it was made for pet sorcs.