Blaze Totem

Place a fiery totem at the ground 35 ft in front of you, this creates a fiery wall for 5 minutes dealing 2d10 fire damage to anyone that tries going through, scales by 1 every 4 levels. 
At level 18 it imbues fiery elements into all allies weapons. You can make this shoot a Line of fire dealing 1d8 fire damage to enemies.