Drop in and the team should stay behind the two rocks poking out to shoot, revives are critical here. Kill the 6 or 8 orbs (eyes) that shoot at you when they spawn which will give you a buff (gives you mad bonus damage against the ogre) that can stack 3x. Two to 3 waves into it the ogre should be downed if this buff is applied in each wave. Everyone then hauls ass up to the platform to kill the taken wizard immediately. If you don't kill it fast enough the ogre will respawn and be twice as hard plus twice the ads, leaving almost no time on the clock to beat.