Eyes in the Back of Your Head( Deities and Demigods, p. 50)
The deity's superior battle sense helps minimize the threat of flanking attacks.
Base attack bonus +3, Wis 19,
Attackers do not gain the usual +2 attack bonus when flanking the deity. This feat grants no effect whenever the deity is attacked without benefit of its Dexterity modifier to AC, such as when it is flat-footed or when it is the target of a rogue's sneak attack.