Parallel drainage pattern. A parallel drainage system is a pattern of rivers caused by steep slopes with some relief. Because of the steep slopes, the streams are swift and straight, with very few tributaries, and all flow in the same direction.
1 In Creative, the player can use spawn eggs to spawn most mobs. 2  When mobs are spawned this way, all normal spawning requirements, such as light level and block type, are ignored. 3  Any entity can be spawned using the /summon command.
work units*. Mili-buckets of mob essence*. For the Auto-Spawner to function, enough room has to be provided for the mob type in the Safari Net to spawn. A 9x9x5 room (with the spawner in the center on the floor) is large enough to hold most mob types, and will ensure that they do not escape.