TheSword
Legend
You’ve answered your own point. Hydras take chunks out of themselves in extremis. A magical creature being hungry and needing food to survive are not the same thing.Hydras don't have regeneration, so there's no reason it wouldn't have wounds.
And it only loses a head (and grows two more) if it suffers 25+ damage in a single round. Even if the heads turned on one another in their hunger, it's not necessarily the case that those battles would turn fatal - it may self-harm without actually maiming itself.
This is a minor point, but it’s just an example of a reviewer of an adventure really getting hung up on their own personal mores rather than taking a less biased view. The combination of that and the contempt is my issue - even when I agree with some of his other points.
I’d sum the approach up as “It’s the ecology, stupid.” If it matters most of all to him then fine. I just don’t think it’s the top three issue of adventure design he thinks it is.