Are you looking for LaneWick, or JungleWick?
At the risk of being exposed and mercilessly ridiculed, here is what I do for JungleWick.
I start with Cloth Armor and a healing potion. (I know, Long Sword clears jungle faster, but I don’t like the extra damage I take - I sometimes get way too close to croaking, particularly if there’s any antijungling.)
From there, I pop back as soon as I can buy Madred’s. Get that, keep clearing away (now much faster, obviously).
I then pop back when I can get 350 Boots and Wriggles.
From there, the order and exact build changes a bit, depending on what I’m facing. I always get Malady. I generally get Mercury Treads, though if I’m facing next to no CC (or incompetent CC) I’ll get Berserker Greaves. Hell, I’ve even bought Boots of Swiftness for the ultimate in ROFLStomp fun. I need to try Ionian Boots sometimes, to see if the cooldown reduction helps with spamming Hungering Strike even more quickly for survivability.
From there, I either build tanky or go for more damage, depending on what I’m facing. Spirit Visage (for the healing synergy and obviously anti-AP) and/or Frozen Heart (for the additional mana to spam Hungering Strike even more and obviously anti-AD, plus it doesn’t hurt to have the AoE effect, particularly if your team was stupid and doesn’t have a good initiator.)
If I’m not going tanky first, then I grab a Black Cleaver for the added damage (and armor reduction, which, like Malady, procs with Infinite Duress.)
If the game is still going on after that, generally I’m just picking something else that hurts even more, like Bloodrazer (yet more stacking goodness, Infinity Edge or even Wit’s End for more stacking goodness).
For skill order, I max Q first, then W, then E (obviously R whenever you can take it), but I do interrupt that order to take a level of E at 5 and a second level at a later point, depending on feel (but usually before 10, and often at 7 or 8). Hopping in out of nowhere with your Infinite Duress which loads up a full stack of pain from your items, to be immediately followed by a fully leveled Hungering Strike, is just painful death for most carries/squishies.