So the map would work like Temple of the Silent Storm. But instead of channeling to claim the buff, you need to kill the NPC to claim it. The NPC that has Stillness can be soloed whereas the NPC with Tranquility would be hard to solo.
Imagine the rage when a team stealkills it…
First Team to reach 250 has 87% chance to win (Updated 7/30/2014) :
http://bit.ly/1lWH6T8