After learning of the possibility to the create brand new spell as long as he was able to provided the right parameters for Uriel to work with, naturally, Tyler didn't hesitate in finding various parameters from his already acquired skills and spells for Uriel to work with.
Using various elements from his Dark Lightning skill and the Tier 5 ThunderStorm spell, Uriel was able to create Tyler's only 8th Tier spell. A spell that had enough potential to achieved a devastating result without even factoring the use of his innate ability.
In essence, She had ended up creating one of the most destructive spells in his arsenal.
Normally, Tyler hadn't planned on using this spell as it would surely eradicate everything in its vicinity but as they were currently hovering in the middle of the ocean, he didn't have to be worried about any collateral damages.
*CLAP!
'Max Magic - Call Dark Thunder Storm!'