As the guards stomp off to perform their various duties, Tarnesh's corpse is easily searched. Though there is no spellbook to be found, Aiwe discovers a small handful of scrolls within the mage's deep pockets.
[ +- ] Scroll of Color Spray
A dazzling array of flashing, colored light springs from your hand. Roll 6d10; the total is how many hit points of creatures this spell can affect. Creatures in a 15-foot cone originating from you are affected in ascending order of their current hit points (ignoring unconscious creatures and creatures that can't see).
Starting with the creature that has the lowest current hit points, each creature affected by this spell is blinded until the end of your next turn. Subtract each creature's hit points from the total before moving on to the creature with the next lowest hit points. A creature's hit points must be equal to or less than the remaining total for that creature to be affected.
At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, roll an additional 2d10 for each slot level above 1st.
[ +- ] Scroll of Mirror Image
Three illusory duplicates of yourself appear in your space. Until the spell ends, the duplicates move with you and mimic your actions, shifting position so it's impossible to track which image is real. You can use your action to dismiss the illusory duplicates.
Each time a creature targets you with an attack during the spell's duration, roll a d20 to determine whether the attack instead targets one of your duplicates.
If you have three duplicates, you must roll a 6 or higher to change the attack's target to a duplicate. With two duplicates, you must roll an 8 or higher. With one duplicate, you must roll an 11 or higher.
A duplicate's AC equals 10 + your Dexterity modifier. If an attack hits a duplicate, the duplicate is destroyed. A duplicate can be destroyed only by an attack that hits it. It ignores all other damage and effects. The spell ends when all three duplicates are destroyed.
A creature is unaffected by this spell if it can't see, if it relies on senses other than sight, such as blindsight, or if it can perceive illusions as false, as with truesight.
[ +- ] Scroll of Charm Person
You attempt to charm a humanoid you can see within range. It must make a Wisdom saving throw, and does so with advantage if you or your companions are fighting it. If it fails the saving throw, it is charmed by you until the spell ends or until you or your companions do anything harmful to it. The charmed creature regards you as a friendly acquaintance. When the spell ends, the creature knows it was charmed by you.
At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, you can target one additional creature for each slot level above 1st. The creatures must be within 30 feet of each other when you target them.
The last scroll Aiwe finds is mundane rather than magical, but far more intriguing.
[ +- ] Bounty Notice
Be it known to all those of evil intent, that a bounty has been placed upon the heads of a party from Icewind Dale.
Aiwe
Stella
Wirrow
Sheemish
Last seen in the area of Candlekeep, these persons are to be killed in quick order.
Those returning with proof of the deed shall receive no less than 200 coins of gold for each of these Northerners killed.
As always, any that reveal these plans to the forces of law shall join the targets in their fate.