Terrestrial Frenzy

"Upon our contract, guide me: O Tyrant of Mountains
Come forth & cut the gigantic earthquakes.
Reconstruct the world through the destruction.
Crush, pierce, make an ephemeral mount.
Howl relentlesssly, titanic retribution in a shifting tremor."

.In the 1st turn, your burst the ground beneath the target into 100 of diamond spikes.
30d4 piercing magical damage in a 19 ft/6 m radius.

.In the 2nd turn, you gather the shards and the targets into a condensed sphere of rocks.
Targets are restrained in a 26 ft/8 m wide prison.
You crash it on the ground directly beneath it. 4d12 bludgeoning damage.