It is easy enough to do yourself.
Find the file called
ElementalDefs.xml (the path for me looks like, C:\Program Files\Stardock Games\FallenEnchantress\data\English)
Make a copy of it and put it in a safe place so your can replace the original later if you want or if something goes wrong.
Open it with an editor (text or xml) and find the line
Change the number to something ridiculously large (or otherwise to your liking).
(Note the multipliers immediately below for pacing will be applied.)
Settle in for a long game and .