Do this clauses make grammatical sense?

A random collection of sentences which I'd like you to correct, should mistakes exist.

How sure are you that there walk tricksters amongst us? Such 'trolls' I hear of are surely a myth in this part of the land at least for this is not the Ettin boroughs from whence they come.

Let him revolt you with his face and he shall be the caterpillar in your rose. Let him ensnare you with his words however and he shall be dashing, charming and truly exuberant; all of which his face is not.

'Drop dead gorgeous' to whom exactly? Do you mean to say that your facial aesthetics adhere to my standard of what is attractive?

Poppycock for I am yet to see a photograph of your countenance which suggests so.

Should I fall into this predicament then whether I decide on staying in the relationship would depend on how discrete their surgery is (or are they likely to get surgery that might radically change their appearance such that my discerning eye no longer finds them aesthetically pleasing to look at) and if they insist on procreating their progeny with me; to which I will detest and so terminate our relationship.

When I was forged into being, this mortal world did not exist; though every thought of mine is my last and so I am but thrice the age of a second. You call it Alzheimer's but I call it being wise.

The answers others will provide to your insecurity will be those of ubiquitous subjectivity and so this thread has as much purpose as my bottomless plant pot.

How can I improve my writing ability such that my sentences are of a formal disposition in which there are more clauses beginning with 'X which' where X denotes a preposition such as 'in/on/through/with which'. I would then like to extend the length of said sentences with this 'structure' in place such that my writing is akin to that found in most 'educational' books.