Great fall (the physics of fire pt 1)

In the time before the great fall, the power of fire was known to man
Imparted at creation as a vital component of the human soul, and the only knowledge that the enemy did not possess
And the reason that he deceived humanity
Many ages have passed since that time, when the evil one made his pact
When men were yet ignorant to the truth and easily deceived
In exchange for the keys to knowledge, mankind gave up their immortal souls
Corrupted by the enemy, the souls were held
Encased in ice
Indefinitely