Like every year League of Legends celebrates  the scariest event of the year with limited skins and other limited stuff.
First of all we can welcome Elise, the spider queen who is going to join the League with the next patch.

"As the fog parted and I first beheld the Shadow Isles, I sensed immediately that something was amiss. From the mysteriously placid waters of the bay to the dead calm of the night air, an eerie stillness gripped the place – even the sea and sky. Even as I made ready to go ashore, the crew begged me to return at once to the mainland." - Elise, the spider queen

What exactly the Shadow Isles isn't described, but we know, that Elise isn't the only one being a ally of the Shadow Island. Some well known champions, who couldn't be classified in Noxian fighter, Ionia's allies, the force of Demacia or members of the Crimson Elite. But now Karthus, Mordekaiser, Hecarim, Yorick and our dear widowmaker Evelynn finally have an allegiance.

The ones of you who are playing LoL for over a year know what Halloween brings us: Skins, Skins, Skins! Limited availability and, of course, Halloween themed.
This year you are able to choose between four awesomes skins: Death Blossom Elise, Headless Hecarim, Haunted Maokai and Underworld Twisted Fate.
BUT for the first time in the history of League of Legends you can buy something else beside of Champion Skins! We can proudly anounce the availability of ward skins! And on top of that there will be Harrowing-themed skins and new summoner icons.

You can simply earn the so called Sinister Summoner Icons via buying RP. So if you bought/buy RP between October 1 and November 13 you will get a new summoner icon. Which one depends on your amount of RP.

Tier 1 (any RP amount): Spiteful Specter

Tier 2 (1,000+ RP): Baleful Grasp plus Tier 1

Tier 3 (2,500+ RP): Death Mask plus Tiers 1-2

Tier 4 (5,000+ RP): Deadfall Treant plus Tiers 1-3

Tier 5 (10,000+ RP): Vengeful Wraith plus Tiers 1-4

If you buy a ward skin for either RP or IP, it is possible to use it for one week, after that week you'll have the normal wards again. If you want a skin for longer time, you can build up stocks for 52 weeks.

Deadfall Ward – 200 IP

Haunting Ward – 800 IP

Tomb Angel Ward – 25 RP

Widow Ward – 75 RP

Bat-O-Lantern Ward – 165 RP

Visit the offical Shadow Isles promo page for further information.
Happy Halloween!