Tortoise Shell
From HGWiki
Caster Level: Druid 6
Innate Level: 6
School: Transmutation
Descriptor(s): Natural AC
Component(s): Somatic
Range: Personal
Save: Harmless
Spell Resistance: No
Area of Effect/Target: Single
Duration: 1 Round / Level
Description: When this spell is cast, the caster grows a near-indestructible shell, which immobilizes them and grants a Natural AC bonus offsetting the loss of dodge, dexterity and tumble AC from flatfooting.
Notes
The effect can be cancelled prematurely with the !immobilize command.