Wall of force
Level 7 Mage Spell
Action
Primary and Move Action
Provokes
Yes
Range
7
Duration
Concentration
Primary action and move Action. Provokes. Target: Level 5'x5' cubes. Range 7. Concentration. This shimmering mostly invisible wall actually occupies entire 5'x5' cubes equal to your level. They cost 2 squares to move through.