Just do anything except Dog Princess's route, and put off finishing whatever route you decide on until you think you have enough stuff. The
You must be registered to see the links
lab is the new best way to get stat boosts, although I guess Kobold's route makes it slightly easier to get your first few fleeting zeal. Be sure to make 5 alchemy rings as soon as you're able; more doesn't provide any extra benefit, and less doesn't provide any benefit when brewing stat potions.
Also, since this isn't mentioned anywhere on the wiki yet, the nuns in the chapel near the tavern can be recruited and have a skill to lower Kingdom Lewdness by killing. I don't think there are any recruitable dragon nuns, so the only ways to get it on one are power pearl shenanigans and taking a dragon to Asha while it's wearing the Monastic Veil.