DESC: Serpentine means your species has a snakes body consisting of a head, body and tail. You are armless and legless and move in a undulating fashion.
You are immune to trip and knockdown attacks and you do not roll for a balance check to stay upright.
While you can not sprint or charge you can still move at a normal speed and you do not suffer movement loss in cramp quarters and only suffer a -2 land speed when moving over slippery surfaces like mud. The climbing and swimming skills and the grapple attack gains a +5 bonus. Your reach includes half of your bodies length.