He then looked before he started casting 3rd Level Spells, Void Strikes all around because it was the best thing that he could come up with. As the Void Strikes fell onto the hills and were crushing the rocks and blasting the sand in the air, creating a literal cloud of dust, he soon enough saw something which appeared to be the entrance to the underground, as he jumped in without a second thought after he took down Yvraine from his back and held her in a princess carry.
As they were falling through several tens meters deep tunnel, Samiel started using his Mana to slow down the fall, as they effortlessly landed down in something which appeared to be some kind of entrance to the shelter. The roof was breached by something, but it didn't appear to be done by Arrakian sandworm as the damage was relatively moderate.