WANTED: Arcavellus

Arcavellus is at 59.8, 12.0 in Azsuna Ley-Ruins of Zarkhenar. There is an earth crack inside the ruins and at the end of the crack (north) there is a portal [npc=90232], click on it and rare will spawn after a few waves of enemies.
He's a part of Adventurer of Azsuna achievement.

For TomTom users:
/way Azsuna 59.8, 12.0 Arcavellus

Arcavellus location https://www.youtube.com/watch?v=F0IMxw3flRU

[npc=90232] - Arcavellus - is located in Azsuna.
Coordinates: 59.8, 12.0 - Azsuna, Ley-Ruins of Zarkhenar
Flight point: Felblaze Ingress - [npc=111624]
Achievement: Adventurer of Azsuna --> [quest=37932]
Item: [item=129085] - not a 100% drop

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• if you start at the "Felblaze Ingress", go north and turn left at the crossroads in Faronau (not to Suramar), heading north-west, continue until you reach the "Ley-Ruins of Zarkhenar". In the purple crack in the earth, follow the trench down until the [npc=90232] appears. Go near him and some Rift Wyrm and [npc=90243] come out. Finally, you have to defeat Arcavellus.
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World Quest:
WANTED: Arcavellus
WANTED: Arcavellus

I show you the way to [npc=90232] in this Video: https://youtu.be/ruTK5yeujIY

Starting at the river mouth where Suramar meets Azuna, go nortth up river to the place where Val'sharah starts. On your left (west) is some blue mana crystals spilling down a cut in the cliff, meeting the river. Just a short way up the blue from the river, you will find a "portal" on the ground. Not hard to see, but not obvious. Archavelllus will spawn right there.