All those nice Riot Wallpapers

Hello there dear Rioters and fellow gamers!

I wish to collect all of those nice Wallpapers Riot made throughout the years, including skins, champs, promotional events like Pool Party, etc. I have been trying my best to find all of those, to no avail. I have found the champions / skins wallpapers on an external website, but I can't seem to find those from events like Arcade, Harrowing, etc.

Thanks to all who can help me I really like all of those cool splasharts!

• Chakraa