Knock-down

(Deities and Demigods, page 51, DnD 3.0)

[General]

The deity's mighty blows can knock foes off their feet.

Prerequisite

Improved Trip, Base attack bonus +2, Str 15

Benefit

Whenever the deity deals 10 or more points of damage to its opponent in melee, it makes a trip attack as a free action against the same target.