Occasionally, there are prompts that say, flat out, that your character has slept for 100 years or has slept through generations of life, both of which happened to Guillaume.I am curious - how do you determine how much time has passed? Is there a mechanic in the prompts for that or do you just estimate based on how far along in the prompt book you are?

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.