[sblock=Here's your problem...]
With that, Emral creates motes of light in front of the rat on the boulder. Little will o' wisps that bob and dancing, and if the rat is inclined, move towards the party. Emral sends a whisper message only the rat can hear. Over here, friend, by the lights. Follow the lightsssss...
Er...
No.
Check the description.
You're distant from the rats: outside of bowshot range (over a couple of hundred yards). None of your powers can reach, unless you close the distance.
Also, you're visible. Under your current circumstances, surprise is out. You have two active light sources at a high elevation with no cover in a completely dark environment. (Imagine you're standing in the middle of an open field at midnight, waving a torch.) The rat on the rock is facing your direction and most likely sees you.
To achieve surprise, you'd have to dowse your lights and approach in a stealthy manner.[/sblock]
[sblock=First Arcana Check]I'm assuming that Drivan's Arcana check is intended to "assist other", providing a +2 bonus to Emral's first check.
Both wizards come to the following conclusion...
- The terrain is flammable.
- Instantaneous fire spells will probably not ignite the terrain. (Say, 1 in 6.)
- Longer duration fire spells will definitely start a blaze.
As regards the locale, this is probably some psychic construct. Damage to the terrain may have some adverse effect on the man's psychic well-being.[/sblock]
[sblock=Second Arcana Check]
Note: Arcana is not the only skill you use to identify monsters.
You have never seen or heard of any sort of creature.
However, because you haven't heard of them, a captured specimen may have value to a scholar--perhaps several hundred or a thousand gold pieces of value...[/sblock]