Cleon
Legend
Added to Homebrews.
I bumped HD to match giant constrictor snake, as it apparently was one prior to death and rebirth.
We'll need to work on rejuvenation and the "head abilities".
Looks a good start.
The Elminster ecologies version has 2 attacks and the bite varies according to the head, do we want to copy that?
e.g.:
Attack: Head +16 melee (variable) or tail-slap +16 melee (1d8+10)
Full Attack: Head +16 melee (variable) and tail-slap +11 melee (1d8+10)
We can also plug in its immunities.
Special Qualities: Darkvision 60 ft., immunities (cold, death-magic, mind-affecting effects, poison, sleep), rejuvenation, scent
Oh, and as for its rejuvenation I'd go for something simple.
Rejuvenation (Ex): If a Moonsea Ride spirit constrictor is killed its body vanishes. If the constrictor succeeds at a DC16 level check it reappears at the site of its death 2d4 days later, alive and fully healed, even if its previous death completely destroyed its body.