Crawling Hands and Hiding

By Tepes, in Mansions of Madness

I am going to put up a SPOILERS for safety because the scenario in question is mentioned, but no events, seeds, or objectives will be revealed.

SPOILERS!

So my group played Return of the Reanimator and the scenario calls for Pyromaniac, Raise Zombie, and the new Crawling Hands keeper action cards. The Crawling Hands card makes crawling hands tokens appear on corpses that can stun investigators and are all activated when used.

So here's the two questions:

1.) The base rules say there is no limit on non-corpse game tokens. This means that the keeper can easily put a crawling hand in most of the spaces on the map constantly stunning investigators without much effort. Since they spawn from corpses, they seem to be intended as being limited because the game comes with 6 tokens and 2 are made per dead monster/investigator, or corpse placed by the Raise Zombie card. Thus the provided tokens quickly run out as early as the first keeper action step. Are they suppose to be unlmited?

2.) The crawling hands are not monsters or corpse tokens and don't interact with fire dispite being killable like a monster. Are they suppose to interact with fire at all?

3.) Now for a non-hand related question. Since the Mists of Releh spell can cause hiding people who can move, do they need to make evade checks?

Thanks in advance.