Yep , dread is a
hq. 3
hqs in 30k so list still legal.
Footslogging, so you will be under punishment from enemy gunlines. Use levitation on the Sekhmet to speed up.
At 2k Magnus is probably going to be unstoppable.. You can deep strike him in if enemy has serious alpha strike , tho no scatter mitigation so be super careful.
The lack of mobility on the troops is probably the biggest weakness. But who wants to drop fancy toys for rhinos haha.
If you deep strike everything be careful about being tabled.. 20 marines and a contemptor.. some armies can make that happen in 1 turn