So, there are 2 attacks that are kind of similar. The Earth Wave attack is part of an elite-only combo that doesn't have a red cone tell, and has earth-y looking spike FX that show as part of the attack itself. There's also another cone-shaped attack that's done in all difficulties that has a red tell that plays on the ground before purple wave-looking FX that play as part of the attack. Is it possible you're conflating the two attacks? Thanks!