Once started, there was no going back.
There were also a lot of circumstances surrounding their advance in power.
For example, terrible deals with demonic beings, nether beings, or hell beings.
It was not unknown for a witch to get tricked and trade her life for an ability.
It was also possible for a witch to trick other beings.
For these reasons, their lives were really a mess.
It was rare to find an opportunity like Lenny, where all they had to do was feed and increase in strength.
It was for this reason that Lenny's perceived Value shot through the roof in Minnie's eyes.
After all, with him, there was no risk.
All that was needed was to hunt and feed.
It was really that simple.