You will be able to get "raw" transformatives that function the same way they do in CoC1/TiTS. You will also be able to combine these "raw" TFs with other alchemical ingredients to refine them into new TFs that give only certain changes. Say you get a Lupine TF but you only want a lupine cock...
As Tobs said your best option is to enable autosave. You could also right click the play link and open it in another tab so there's no previous pages to go back to.
Seems like whatever you did erased local storage. We have no power over this as it is controlled by the browser. It's not a bug, you just have to be careful with local storage saves as clearing browser history and a multitude of other things can erase it. This includes running tools such as CC...
It runs on anything that has a browser that supports ES6 JavaScript and HTML5. There can be graphical issues for some browsers/browser versions. We only officially support new Chrome and FireFox versions for this reason.
That attack they use is the strongest in the game currently, is assigned to one random harpy at combat start, and can only be used once per encounter. You just got incredibly unlucky that they used it first AND crit :P
The trainers are just unimplemented right now. You will be able to learn abilities from them as any class.
There are no plans for advanced classes per se. We are planning on having sets of powers that you can gain that follow a theme, say paladin or red mage. You will still be one of the...