Wizard Utility 10Dig

You cause earth and stone to pull apart, creating a deep pit or a shortcut to a different location.

Daily        Arcane
Minor Action      Ranged 10

Effect: You create a hole on an unoccupied horizontal or vertical surface within range. The hole’s opening can be up to 2 squares on a side. The hole’s depth is up to a number of squares equal to twice your Intelligence modifier. Unless the DM rules otherwise, the hole does not destabilize the material around it. A creature can climb the hole’s walls with a DC 20 Athletics check.

Published in Heroes of the Elemental Chaos, page(s) 114.