Wall of Fire Spell
D&D Description of the Wall of Fire Spell : An immobile, blazing curtain of shimmering violet fire springs into existence. One side of the wall, selected by you, sends forth waves of heat, dealing 2d4 points of fire damage to creatures within 10 feet and 1d4 points of fire damage to those past 10 feet but within 20 feet. The wall deals this damage when it appears and on your turn each round to all creatures in the area. In addition, the wall deals 2d6 points of fire damage +1 point of fire damage per caster level (maximum +20) to any creature passing through it. The wall deals double damage to undead creatures.
Deeper info on this Dungeons & Dragons Wall of Fire Spell
Note: Add a Reply about how you have applied the use of the Wall of Fire spell in a previous Dungeons & Dragons scenario.