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.
Health: View Wiki Entry. Slimes are hostile mobs that spawn deep underground in the bottom 16 layers of the map, most often in large, cavernous spaces or open mines. Killing a normal, big or huge sized slime will usually cause it to break into four smaller slimes. Slimes take burn damage from lava, and cannot swim. Slimes do not grow in size, and the small slimes do not inflict damage.