The Living Nest template

By Milo v3

“Living Nest” is an acquired template that can be added to any living, corporeal creature. A Living Nest retains the base creature's statistics and special abilities except as noted here.

CR: HD 8 or less, as base creature - 1; HD 9 or more, as base creature;

Armor Class: Natural armor lowers by -1.

Defenses/Qualities: It gains immunity to poison, and swarm attacks. In addition the Living Nest gains the following:
Nest: If the Living Hive who granted you the template, places a One of Many from his swarm in your square, he can spend a free action to place that member of the swarm inside the Living Nest. Swarms stored this way can be released with a move action from the Living Hive.

Speed: All of the creatures movement modes have their speed lowered by 5 ft., unless that would lower it to 0 ft.