I noticed that the true dragon monster class does not have options from Bestiaries 2 through 6. How might I homebrew such options?
Any ideas?
Was that a free .pdf? You've basically just given it away for free to anyone with that link. Not sure that's entirely legal.
EDIT: Good choice. Better to be safe than sorry :P
To answer your question, you should be able to look at other varieties of dragon and switch like for like at certain levels. Shouldn't be too difficult.
Okay, I checked, and there was a free download link already existing. Here it is:
[REDACTED]
Just because you found it online doesn't mean it's legal. I wouldn't trust anything from 4chan to be legitimate.