Zilean ADC does not work- his projectile speed is way too slow regardless of attack speed and nothing in his kit benefits going AD. He can slow someone down or revive himself, but that doesn't help him more than an AD Karthus build or any other AP carry turned AD at all. The strategy you seem to outline is to farm, farm, farm, and then you can't get caught by your enemies in the late game, but the skills( Time Warp and Chronoshift that you give to yourself could easily be shared with a marksman if you played support and got the full benefit of powering up your bombs and revive with AP.

For Support Zilean, if you plan on getting Magic Penetration reds and offensive masteries, but not abusing Time Bombs early game damage and instead saving it for later to level up, then you are losing out a whole lot of potential damage, or wasting your rune and mastery choices. Zilean's bombs are extremely strong in the early game and drop off late game, so waiting to get these bigger AP items is wasting some potential. This style of support would be better off getting more support-based items like a Locket of the Iron Solari. I do like that you added the Twin Shadows, though, because it gives you an extra pseudo Time Warp that you can use, as well as extra movement speed for yourself.

I would suggest updating the guide with the new season's items and playing around with the Spellthief's Edge in the early game, which has been giving me a lot of success with poking.

Nice i got 6/5/11 stats at first time when i used this build. Just this Tear is uselles in my opinion . +1

Oh, and another thing: get armor pen. marks if doing adc.

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Utilisant Google Translate:

Oh, et ​​une autre chose: obtenir stylo d'armure. runes si cela adc.

Wait a second. Don't have just a tear of the goddess when you can upgrade it into a manamune/seraphs embrace.

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Utilisation de Google traduire de l'anglais vers le français:

Attendez une seconde. Ne pas avoir juste une larme de la déesse quand vous pouvez l'améliorer dans une étreinte Manamune / s 'séraphin.

Don't do 30/0/0. Veterans Scars/Runic artifiary are just too useful.

Still, your build is really nicely coded, even though it's so short. +1

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Utilisation de Google traduire de l'anglais vers le français:

Ne pas faire 30/0/0. Anciens combattants Cicatrices / artifiary Runic est tout simplement trop utile.

Pourtant, votre build est vraiment bien codé, même si elle est très courte. +1

oh and i don't think his attack animation is THAT hard... just saying.

Yeah. ADC Zilean. i can just picture it. never tried it... but i can see the potentials..

hmm.. i recognize the syntax as french..
too bad i cant understand french though.

ADC Zilean is fun and sometimes works...but not with those runes/masteries