Freeze! Literally!
Ein's clap wasn't loud, but it echoed throughout the entire battlefield. As soon as it occurred, the delayed spells that he planted painstakingly finally bloomed. A wondrous, scary, and beautiful scene played before everyone's eyes.
Gigantic ice flowers bloomed around the place, covering a large portion of the paladin's formation. About a fifth of them were captured inside, frozen into solid ice sculptures.
The blue flowers were releasing a white fog, encroaching on the field and lowering the temperature rapidly. The sudden drop in temperature managed to disrupt the casting of the paladins as they suddenly wheezed for air.
"Oh, so that's a solution!"