Zeth'Gor Must Burn!

It's time to strike Zeth'Gor from the air! Our gryphon riders are ready for a sortie, $n. But they need someone on the ground to direct their fire. Are you ready for a covert mission?$B$BTake these smoke beacons into Zeth'Gor, the Bleeding Hollow stronghold to the west. They have four guard towers: one near their northern wall, one near their southern wall, one near their forge and another nestled in their foothills. Place a beacon underneath each of the towers and we'll fly in and bomb them!