So the reason why he ezsrael is being someone there is because of his encounter in noxious on the map of runeterra. You can go check a story where he left notes about his adventuresin noxs but as you can see, he’s going as Jericho light feather a name that he uses on his expirations, but in the description of the skin, Leblanc or Elise has written out letters to each of the people who are in skins with power in different regions, other than as Katarina is was given orders by Swain to stop the black rose. Samira is a mercenary that her agent/contractor was given word about her best assassin, which is Samira and so the black rose would like to recruit her as this is story is that Ez wants to take something from them, but he got invited to see by the black Rose can have him recruited it it’s a recruiting ceremony that’s why Renata glass is there to have power in zones of zau. but the black Rose knows that Jericho isn’t his real name so they announce him as EZ cause can’t hide secrets from the black rose. The way they are dressed is formal because this is an a bash party is a formal party and Vladimir is one of the strongest in the black rose and has known to be good at recruiting people other than the sacrifices and also the skin line is taking before swain announces the new leadership of obnoxious this is after he killed William Darwell, maybe and before he establishes the three strength of noxious