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.
By Tom Phillips Published 11/09/2015. Play through Dragon Age Inquisition's Trespasser DLC and you may be surprised by the extent it sets up the series' future. Trespasser is primarily an epilogue for Inquisition - and a good one (look for Eurogamer's full review on Monday). But one major story thread is deliberately left open, and there's a hugely unsubtle hint at where the next Dragon Age game will likely be set.