**All Soulsborne Easter Eggs in League of Legends:**
Gragas Caskbreaker has The Warriors of Sunlight Emblem on his tunic.
Dark Waters Diana has an extreme resemblance to Lady Maria of Bloodborne.
The Omen of the Dark skin line has taken much inspiration form the Soulsborne series with similarities including:
Black Scourge Singed dressed in a similar fashion to Eileen the Crow from Bloodborne and the face on his shield has a resemblance to the Yharnam, Pthumarian Queen of Bloodborne.
Cursed Revenant Nocturne's attire loosely resembles Mergo's Wet Nurse
Blade Queen Lissandra's headdress is referencing Dark Sun Gwyndolin who already has a similar appearance to Lissandra.
In Undertaker Yorick's splash art he is standing in Hemwick Charnel Lane while standing over a dying man donning the Graveguard Set.
The sword piercing through Grey Warwick's back appears to be inspired by Artorias' Greatsword and the Moonlight Greatsword with an Anor Londo inspired kingdom in the background of his splash art.
Reworked Kayle's joke emote is the bonfire resting pose.
**Items and Buffs:**
Talisman of Ascension's description reads "Praise the sun." — Historian Shurelya, 22 September, 25 CLE, "Praise the Sun" being the famous gesture of the Warriors of Sunlight Covenant and 22 September being Dark Souls 1's release date
The "Awesome Buff of Awesomely Awesome Buffing" from the URF gamemode's tool tip reads "This unit is currently able to traverse the Abyss" which is a reference to the Covenant of Artorias Ring who's wearer, like Artorias himself can traverse the Abyss according to it's tool tip.
If I missed any Soulsborne easter eggs please inform me so I can add them to the list.
Papa Bless <3