At the head of the planarian there is a brain under the eyespots. From the brain, there are two nerve cords, which connect at the tail. There are many transverse nerves connected to the nerve cords, which make it look like a ladder. With a ladder-like nerve system it is able to respond in a coordinated manner.
Adventure mode. From Diablo Wiki. Adventure Mode or AM is the primary end game type of game mode introduced into Diablo 3 in the Reaper of Souls expansion pack. Campaign Mode or Story Mode is the other primary game mode, where players must progress through the acts in order, complete quests, talk to NPCs, watch cut scenes, etc.
Patch 2.1.2 is coming soon, though the devs wouldn't commit to a more specific date.The Ruins of Sescheron and more upcoming content. Beyond patch 2.1.2, we'll be seeing a new Ruins of Sescheron zone located in Act III. This will take us to the barbarian city Baal razed in Diablo 2: Lord of Destruction. We'll visit the ruins, where the dead are buried, but they'll be full of traps and new monsters to that will keep us on our toes.