With a mighty sweep of your blade, dancing tongues of arcane fire rise from the ground at the feet of your foes.

Encounter   ✦     Arcane, Conjuration, Fire, Implement
Standard Action      Area wall 3 within 1 square

Effect: You conjure a wall of contiguous squares filled with leaping flames that lasts until the start of your next turn. The wall can be 3 squares long and no more than 1 square high. Only 1 square of the wall must be within 1 square of you.
    Any creature that enters the wall's space or starts its turn there takes 1d8 + Constitution modifier fire damage. A creature can take this damage only once per turn.

Update (2/17/2012)
Changed in December 2011 updates.

Published in Forgotten Realms Player's Guide, page(s) 30.