The frustrating thing about skin sale is that availability changes without announcement.
Short answer
Earnable by playing if it is in the pass; purchasable if it is in the shop; unavailable if it was event-only.
Rarity labels describe drop rates, not visual quality. An item marked exclusive at release has often returned later in a different bundle. Most of the disagreement you will find online is two people describing different builds.
How the rotation works
Battle pass items are the cheapest per-item route if you were going to play anyway. Collaboration items are the least likely to return, because the licence usually expires. Screenshots age faster than text, which is why this describes rather than shows. Shop rotations are on a schedule that the game does not publish, which is why trackers exist.
Trading, where it exists, has its own restrictions and cooldowns. Anything that behaves differently on console than on PC is flagged where it matters. Currency is sold in bundles that never quite match item prices, and that is deliberate.
Whether it ever returns
Patch notes move numbers around constantly; the shape of the answer holds even when a specific value shifts. If your result differs from what is described here, note what is different first rather than starting over. Everything below is framed around the current state of League of Legends rather than a launch-week impression.
- Confirm whether an item is account-wide or per-character.
- Finish the pass before chasing shop items.
- Give a method one honest attempt before deciding it does not work.
- Ignore third-party sellers entirely.
- Work out the real cost including the unusable leftover currency.
What it actually costs
If you are coming to this after a long break, the terminology has probably moved on. The community wisdom on this is roughly half right, and the half that is wrong costs the most time. Nothing here assumes a particular playstyle beyond wanting the thing to work. Treat anything stated without a version number as provisional.
It helps to understand why a step exists, because then you can adapt it when your situation is slightly different. Where two approaches both work, the one with fewer moving parts is the one to keep. The developers have changed their mind about this at least once, which explains the older advice.
Event-only items
There is no hidden trick here that the game is keeping from you. League of Legends is not shy about hiding useful information two menus deep, so some of this is simply knowing where to look. None of this needs a paid tool, a third-party launcher or an account on a site you have never heard of.
The short version is near the top on purpose; the reasoning is there if you want to know why. If a step reads as obvious, do it anyway — the obvious ones are the ones people skip and then wonder about. The awkward part is rarely the step itself, it is knowing which step comes first.
What is available right now
There is usually a fast way and a reliable way, and it is worth knowing which one you are choosing. Half the pages on this topic were written for a build that no longer exists, which is why they stop matching what you see. What follows assumes you are on a current install and have not modified it.
Where people go wrong
- Downloading a helper tool for something the game already does in its own menu.
- Skipping the prerequisite because it looked optional in someone else's summary.
- Rushing the last step, which is usually the one with the actual requirement in it.
- Assuming a guide from an older season still describes the current version.
League FAQ
How long does this take?
Minutes if it goes cleanly, an evening if you hit the edge case in the caveats list. Neither is unusual.
Can I earn it without paying?
If it is in the pass or an event track, yes, with time. Shop-only items are shop-only.
Is this still accurate after the latest League of Legends update?
The method is; individual numbers may not be. If a value on your screen differs, trust the screen and keep the sequence.
Will it come back?
Shop items usually rotate back. Event and collaboration items often do not, and the licence is normally the reason.
If you only take one thing from this: the answer near the top is the part that matters, the rest is context.