1:53 Seeing the "Spears of Reckoning" attack made me thought that this boss is kinda similar to Shouki no Kami. Both have 4 hands, uses multiple elements in combat, have a circle ring on their backs and can be paralyzed. Edit: The "Spears of Reckoning" of this boss reminds me of "Lances of Domination" of Shouki no Kami
Seeing how Wanderer himself has that similar "Ring" on his back, i think it's pretty clear where Shouki no Kami got his inspiration from lmao (Just like how Childe's fighting style is similar to the Hydro Herald, Wanderer is similar to the Baptist. Prob cuz both of them went to the Abyss before)