Advancing Wall (3.5e Maneuver)

You swing your weapon wide and catch it across yourself to drive your enemies back, pressing like a glacier

You drive your enemies back, re-arranging the battlefield. This maneuver affects one square adjacent to you, and the two squares orthogonally adjacent to it and adjacent to your own (e.g., Northeast, North, and Northwest, or North, Northeast, and East).

You may make a melee attack against each creature or object in the area. If the attack hits, you may make a bull rush attempt without moving into the creature's square, provoking no attack of opportunity, rolling a single check opposed by a single check of the strongest creature in the group being pushed (others being pushed can Aid Another, with a DC equal to your check result - 10 to add two to its check result). All creatures are moved in the direction of the middle square, not necessarily directly away from you. If you move, the maneuver's area moves with you; new creatures caught in it can be attacked and, if there's distance remaining, pushed (they may also resist the push, which can stop you but not push you back).