On wave 5 there are 2 bosses that drop metal plates, on wave 10 there is Super Rocket Toilets that drops Batteries. On Wave 15  there are 2 Flying Bazooka Toilet that drop Rocket Launcher , wave 20 spawns Quad Buzzsaw Toilets  , they dont drop anything. Wave 25 there are Upgraded Buzzsaw Toilets that drop buzzsaw item with 10% chance, wave 30 spawn 2 Hyper Upgraded Boss Toilet. Wave 35 , Glitch toilet, very fast enemy , good luck with beating him, also after beating him you have 1% chance to get Glitch Mainframe

You beat them all?  Now try to defeat Upgraded Scientist Toilet. Every 10 second he stuns alliance for some sec. As Reward of beating raid is coins and exp.. Ye this raid doesnt drop any raid keys but has many rare items and units from it. There is a chance to get Titan's Hammer (2.5-3.5%) or Hero Speaker Guy (0.7-1.2%) and Titan's Hammer blueprint (2%)