The Trick Rune was formerly used by Juppo the trickster to create mechanic dolls to protect Lepant's house in Kouan. Learned from his uncle, Juppo's niece Meg is able to use the rune's power as well to bring little gadgets into the battle, damaging the enemy by a good deal. The technique upon calling these gadgets is the same used by the dwarves by the time they had to forfend their vault against intruders with mechanical soldiers. Three years later Meg engaged battle once again and bought the Trick Rune with her, this time enhanced the gadget causing tripple the damage of her normal attacks.
Be sure to check this little fellow out at least once. - Celes