Tcha learn new things every day...

There is such thing as humor guide? 0_o

This is a humor guide. Check which section it belongs to.

First and foremost, this guide could use some coding, see guides to them for tips and tricks, as per 2 posts above mine has remarkable nicely admitted.

2nd, it's a bad time to make guides for Rengar, as he works as neither tank nor assassin, even if he has sufficient CRD reduction. The health and mobility meta is just too strong for him to handle, and the nerfs that he's been suffering from for ages limit him greatly.

3rd, try making your guides as good as possible and finished before publishing them, that way, I'm sure more people will appreciate your time and help.

No reason to ever stack 3 bloodthristers on him and you don't need cdr runes at all.

A few things. First you should add sections explaining your runes and masteries.
2nd you should add some coding to this, google "jhoijhoi guide to making guides".

3rd Edit that rune note or you'll never hear the end of it.
-related to the third: That whole rune thing, sortof implies you are newish to the game or atleast pre level 30. If this is the case don't make a guide. IF it was just an honest to god mistake I guess its ok, though you should probably examine other guides runes if you haven't given them much thought.

4th: I took the time to read through your whole guide and some of the things you've said implie that you are pre level 30. Such as having a ranged champion with you in lane. As the meta stands I Really doubt a lane with rengar + ranger (onamatapea) would be common enough to mention as a level 1 starter.

5th You don't say what to build if your playing badly. Do you just keep build Bloodthirsters? but if your not getting kills, their passives aren't stacking and it'll take longer to build them, meaning youd probably be better off bulding some bruiser items so you don't end up feeding (as you've built next to no defense.)

loooooool that rune note

Bad masteries and garbage runes - and by the way, there are 10 of each rune? Come back when you learn how to play the game, scrub.