Having conquered Route 14 and Acerola's Trial, your next step is to revisit Aether House on Route 15.
Things are beginning to pick up pace now, as from there it's on to the rest of Route 15, where you'll earn the Ride Sharpedo, and beyond to Route 16, Zygarde Lab, Ula'Ula Meadow and Route 17.
Route 15, return to Aether House, Ride Sharpedo
Your first stop is Aether House again, as Hau, it turns out, has had some real trouble defending the kids there from a group of Team Skull who have attacked. Their leader, Plumeria, takes you on in a battle - when you defeat her she'll insist you head to their base of operations, Po Town, alone. The Grunts have already made it away with the Aether House children's Yungoos, so it looks like you've no choice but to make your way there!
You'll need to talk to a chap nearby on Route 15 first, as the rest of the route is closed off - the only access being by sea, through some suspiciously smashable-looking rocks. Find the strange man in the kimono, Grimsley, standing by the beach, and answer his question correctly - "Neither" - and he'll update your Pager with the Ride Pokémon Sharpedo, which can smash through water-based rocks like a surfing Tauros.
Continue on with your exploration of the new-accessible water segment of Route 15, until you hit the shores of Route 16, above.
|Item||Where to find|
|Hyper Potion||Top of grass section above Ace Trainer Yuki|
|Zygarde Cell||On bottom right side of beach|
|TM93 Wild Charge||On weird concrete square area of small island with ace trainer on|
|Dive Ball||On beach with Swimmers Yumi and Jake|
|Normal Gem (Hidden)||Right at the very top of the top beach, on the sand|
|Pearl (Hidden)||Halfway along the top beach, in the rocky wall along the top of it|
|PP Max||From Trial Guide after defeating her and all other trainers|
|Ace Trainer Yuki||Alolan Sandshrew|
|Ace Trainer Carla||Alolan Vulpix|
|Swimmers Yumi and Jake||Golduck|
Route 16 - Zygarde Lab
A short, seaside route following on from 15, Route 16's most interesting point is the Zygarde Lab. There, you can talk to Dexio and Sina, and convert your accumulated Zygarde Cells and Cores into one of Zygarde's various forms. The percentage of cells you have dictates the percentage form it'll take.
Otherwise, there's a Pokémon Center here, providing you with some welcome respite with a tough journey ahead, and there's also a couple of rare items, like TM81 - which requires you to find a little spot to crawl through, under the Zygarde Lab, to get to it.
|Item||Where to find|
|PP Up||Right of Scientist Reid, on open land|
|TM81 X-Scissor||Crawling under the Zygarde Lab where there's a muddy spot at the back|
|Aspear x2, Pecha Berry||Berry tree by PMC|
Ula'Ula Meadow is a strange, mirky path through the westernmost side of the island. East of the route lies the Lake of the Moone (for Sun players) or Lake of the Sunne (for Moon players), which at the moment has little to offer you. Head onwards to the north, although you should definitely wander off from the central path where possible, as there are some interesting items to pick up as you go.
|Item||Where to find|
|Zygarde Cell||Along planked path on right soon after entering|
|Red Nectar||Yellow sparkles coming up from grass by dancer Mireille|
|Repeat Ball||Right of dancer Mireille|
|X Special Defense||Up the muddy track to the left of the route, past Lass Rylee, behind long grass|
|Red Nectar||Yellow sparks in red flowers behind Lass Rylee|
|Adrenaline Orb||Just past Red Nectar in clear patch on left|
|Zyarde Cell||Top right of route, along mud track, just through long grass right at end of planked path|
|Office Worker Michelle||Torcoal|
Need more tips? Use our Pokémon Sun and Moon Walkthrough and guide for the main story, our competitive training guide for info on IVs, EV training, Hyper Training and bottle cap farming, and breeding explained, our choice of the best Pokémon Sun and Moon starter from Rowlet, Litten and Popplio, as well as an in-progress list of where to find Zygarde Cells and Cores and our guide to the Battle Tree and both Battling and Trading in the Festival Plaza. We also have a list of QR codes list, Z Crystal locations, Mega Stone locations, Eevium Z Eevee User locations for Extreme Evoboost, evolutions for Alolan Forms and other new Sun and Moon Pokémon and fast way to increase a Pokémon's Happiness, plus how to transfer across Ash-Greninja from the Sun and Moon Demo, where to catch the Tapu Guardians, how to catch the Ultra Beasts, and how to download the Munchlax Mystery Gift.
Route 17 - Team Skull and Officer Nanu
Route 17 is a long, two-part route heading north towards the Team Skull base of Po Town. On the left side, you'll find a relatively run-of-the-mill grassy way through, albeit littered with Team Skull Grunts.
To the right however, is a rocky, uphill path with some split, one-way ledge jumps taking you back down. You'll need to do a couple trips up and down taht hill to collect all of the items and experience everything there, but given the usefulness of TMs like Poson Jab, it's worth the extra trip to do it.
|Item||Where to find|
|Zygarde Core||Back of police station in front of hanging clothes|
|Lemonade||Taking the right-most route up through muddy tracks, on your left by a patch of long brown grass|
|Full Heal||At very top of muddy path route on right of route, behind skull grunt and some long brown grass|
|Zygarde Cell||Jumping down first ledge to the right hand side, not left, from top right point of route|
|TM84 Poison Jab||Sticking to the far left hand side of the ledge jumps from the top right of the route, through some long brown grass|
|Ganlon, Pecha, Sitrus, Rawst Berries||Berry Tree, far top right near Skull HQ|
|Skull Grunt||Alolan Rattata|
|Skull Grunt and Skull Grunt||Drowzee|
Up at the northenmost end of the route, you'll find a huge wall surrounding what must be Po Town on the other side. After defeating the Grunts guarding it, a strange, rather grumpy man turns up. Dressed in some haggard old Police Officer clothes, he offers some sparce advice and kindly notes that if you don't make it, at least your remains will get back home. Lovely!
Next up, it's time to tackle the Team Skull base itself in Po Town!
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