Cwheeler, how about it being ejected from the body when the host becomes bloodied as well as taking a 8th of it's health's worth of damage.
Flipguarder, sorry this didn't happen first but it's going to take me an hour to create and balance this guy. I've been busy. I'll have a fair bit of time on the weekend so I can probably be done by sunday.
Also, an irratible, first level snake to add to the 7 or so already presented.
Dire Snake
Level 1 Soldier
Medium Natural Beast (reptilian)
XP 100
Initiative +3
Senses Perception +6
HP 29;
Bloodied 14
AC 17;
Fortitude 13,
Reflex 14,
Will 13
Speed 6
Bite (Standard; at-will)
+8 Vs. AC, 1d6+3 damage and ongoing 5 poison damage (save ends)
Strike (Immediate Reaction, when hit with a melee attack; at-will)
The dire snake makes a bite attack against the triggering creature.
Deadly Poison
If a bitten creature fails to save against the ongoing poison from the snake's bite attack three consecutive times, the creature is weakened until the end of the encounter.
Alignment Unaligned
Languages None
Skills Stealth +8
Str 13 (+1)
Dex 16 (+3)
Wis 13 (+1)
Con 13 (+1)
Int 13 (+1)
Cha 13 (+1)
Equipment None
Fhtagn Kudos (double the kudos if you get the reference)
-Sporemine