Only Apprentices and Super Monkeys can enter these dangerous ruins. They must survive a 10 round bloon onslaught with $30,000 to start.
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~ BMC Special Rules before attacking a Consecrated Ground Tile
Consecrated Ground is a Special Mission in Bloons Monkey City. The player must defend against 10 rounds of Bloons using only Monkey Apprentices and Super Monkeys on a similar track layout as Main Street in BTD5 with $30,000 to start. It is required to build the Temple Complex on, which is required to research the Temple of the Monkey God upgrade. Completing this tile will earn 2000 XP, at least 5000 and 100. Completing this mission with no lives lost will earn 25.
Because all Bloon spawns vary for each tile (excluding MOAB Graveyard and Bloonprint Hideout), it is possible but very rare for D.D.T.s to appear on Consecrated Ground. The same thing is also true for Z.O.M.G.s.