FYI legendary effects from world bosses are not 100% droprate.
Are Legendaries from world bosses guaranteed?
You can only receive loot from a world boss the first time you kill it per weekly reset. With the exception of Runecarver Memories, loot is not guaranteed. Loot from world bosses shows up in your bags without having to loot the boss.
Are raid Legendaries 100%?
You have a 100% chance to get Legendary Memories from Nathria raid bosses. This is especially good for Raid Leaders, as now they wont have to worry about every one of a certain class leaving when the boss you just killed doesnt drop their legendary power.
Are Legendaries 100% drop from world bosses?
As little as less than $1 a month to enjoy an ad-free experience, unlock premium features, and … Some Legendaries do not have a 100% drop rate, but others like those from World Bosses, for instance, have a 100% drop rate.
How do you farm legendary Shadowlands?
2:406:31Where They Drop And How To Craft A Legendary - Shadowlands GuideYouTube