Hi in the fist build, i am sure it's better to take the HP quintessences and the attack speed Marks.
because now you got 9 x 3.5 = 31.5 health from the HP Marks and 3 x 4.5 = 13.5% attack speed from the attack speed Quints.
whilst you could have had 9 x 1.7 = 15.3% attack speed from the marks and you could have had 3 x 26 = 78 health from the Quints .

So in your first build you get 31.5 health and 13.5% attack speed whilst you could have had 78 health and 15.3% attack speed.

so it simply is a win win ^^

I know that i should write down the optimal setup but this build is all about my experiance with Shen and i don't wanna lie that this is the best when i doesn't realy tested it out.

You should still be putting the most efficient rune set-up regardless of what is available to you. Optimal set-up for a champion should be the same regardless of whether you are high or low Elo.

Yes you are true but im writed that cause im using 2 rune pages in my account and im got this and a support page(i think most of the lower elo players how reading this as a guide) . And i think most of the people got this low rune pages numbers and think most of the people didn't got enought gold to buy more runes thats why i'm using this.

In masteries i'm considered that opinoin but that 1,5mr is more usefull i think that that 3%is in way more in late game but you as Shen need some boost in earlys. And usualy you got 4000dmg from enemys and prob 1000dmg coming from that enemy how got imparied movement, so thats

-30dmg

. If you got +1,5mr 150 (33,3% reduction) vs 152 Mr (34,2% reduction), That's 0,9% from 4000dmg ~ 1800dmg coming from magic so thats

-17dmg

. And this is a very friendly expectation and this is when everything favouring for the Oppression . And in earlys it's way better to get that one point into Resistance . But this is my personal opinion.

Yeah taking E secondis a viable choise but i usualy got harassed from the beggining of the lane or get pushed into my tower and tanking a bit of the enemy minoins to prevent my tower from dmg. And alsothis build is written to begginers or those people how doesn't know the right way to Shen and getting into him you learn how to play safer ad safer and when you good enought with a champ to get own ideas with it you should prefer other routes then others. This is my personal opinion altho.

Here is the most efficient rune setup:

3 Greater Quintessence of Armor: 12.78
9 Greater Mark of Attack Speed: 15.3
9 Greater Seal of Health: 72

Also, the mastery Oppression is quite good on Shen for only one point. Consider taking it over one point in Resistance .

I'd almost always take E second, unless I think I'll be under/very close to my turret until I get level 3.

Call me crazy but i prefer that 40 Hp for 1 Atmor. Your passive hits bigger + let's count
-40 Hp +1 Armor +40Hp -1Armor
740 vs 780 Hp
39 vs 40 Armor
947 vs 1002 effective Hp
So ? Better dmg output better tankiness do you need more ? that's why i prefer that way

In the first build, I'm sure it's better to take Greater Seal of Healthx9 for 72hp and Greater Mark of Armor x9 for 8 armor. Then Greater Mark of Health x9 which gives 32hp and Greater Seal of Armorx9 for 9 armor. You trade of 1 armor 40 hp thats not worth imo

What tipe of discussion do you want ?

I personaly think splitting with Shen, in 99%of the time is useless. The most of the toplaners has a million ways better waveclear than Shen so if you want to push it they come and do it back in a sec and the current meta they also has tp so they can join fight very easily after stoped you pushing. And they team doesn't rely start a fight if they top laner has some thing to do.
In other hand if the fight doesn't break out you can't 1v1 a lot of champs so it's a hard thing to do with Shen in jax for example i can imagine Zz'Rot Portal, as a defensive item so he can split and 1v1 a lot of champs and even if needed Tp to the team.

This precisely. I feel like it's all about timing the placement of the portal, and not just using it whenever. If you pop it down right as you're about to Stand United to your team for a 5v5, there should be nothing they can do about it in the immediate future. Alternatively, you Stand United once to get rid of the enemy Teleport, and then when you go back to the lane, they shouldn't be able to send anyone to stop you. In that case, Zz'Rot Portal should help you take towers a LOT faster than you otherwise could.

Even so, I agree it's only a situational item. Still, I'd love to at least see you discuss it some.

It's definitely just a situational item at best (like, say, Banner of Command) for when you want to maintain pressure. It's better on Shen than most, because you can activate it whilst splitpushing and your team gets into a fight, and you just port to your team.

Zz'Rot Portal in paper seems good but when i used it somebody always come and destroyed it and due to Shen's lacking offensive force i can't realy defend it if my team doesn't come and peel it for me. And i don't realy know when to pick it up cause in this case i need to give up 1 item for it, but i guess i'm gonna edit it in the spliting section this should come handy in those cases.
In the masteries side i can't realy think it about probably my fault but you could be right.