Alright, I have edited the XP count for the party. You are now more than halfway to level 16! Huzzah!
I also took the liberty of adding an extra piece of magical treasure. Vertasi's boots, as it turns out, are magical. Unless Medinah or Amirah wants to wear them, you may want to transfer the enchantment to boots that don't have stiletto heels built in.
Equilibrium Boots of the Snake
Level 7 - 2600 GP
Property: You move normally on slippery surfaces, such as grease or ice.
Power, Free Action, Encounter. Trigger: You are subject to forced movement and/or would be knocked prone. Effect: You are not knocked prone, cannot be knocked off a ledge by the movement and may shift 1 square after the force movement is resolved.