Devastator

The Devastator is a power-up found in Lux Lirata. It resembles a cross with a circle around it. It opens green doors and upgrades all three weapons. The Peashooter fires large white projectiles in an incredibly fast way. The Boomerang is a bit larger and white with blue edges. The Rainbow Wave just grows bigger and more powerful. The known entities to use the Devastator are Snaily, Moon Snail/Sun Snail, Shellbreaker. The Giga snail Rainbow Waves are probably a Devastator received twice?