Here’s how you can complete the Diallos’ questline and get the Hoslow’s Petal Whip and Diallos’ Mask in Elden Ring!
Diallos is a character you’ll come across pretty early in Elden Ring when visiting Roundtable Hold. However, his quest will take you to much further reaches of the Lands Between.
You’ll definitely want to complete it too as finishing this questline awards you with Hoslow’s Petal Whip and Diallos’ Mask.
Here’s how you can finish Diallos’ Quest in Elden Ring and get these great rewards!
But first, check out our guides for these other important Elden Ring side quests:
- How to Complete Dung Eater Questline
- How to Complete Bloody Finger Hunter Yura’s Quest & Get Eleonora’s Poleblade
- Ranni Quest Guide: How to Get the Moonlight Greatsword

How to Complete Diallos’ Quest + Get Hoslow’s Petal Whip & Diallos’s Mask in Elden Ring
- To start the questline, you’ll need to speak to Diallos in Roundtable Hold. He will tell you about his missing servant Lanya.
- Next, head northwest of the Academy Gate Town Site of Grace to find Diallos standing over Lanya’s body.

- Then, speak to Diallos at Roundtable Hold once more and he will tell you that he is heading to Volcano Manor.
- Find out how to get to Volcano Manor in Elden Ring and then speak to Diallos in the manor’s drawing room.
- Then, you will have to either complete the contracts for Volcano Manor or defeat the boss Rykard, Lord of Blasphemy.
- Pro Tip: Use this trick to defeat any Elden Ring boss easily!
- Doing either of these will cause Diallos to leave Volcano Manor.
- The next part of Diallos’ questline requires you to complete part of Jar Bairn’s quest in Jarburg – this is because these two quests intersect.

- Once you’ve done this, Diallos will appear in a small shack in Jarburg – go to speak to him and then let some time pass by traveling away and coming back.
- Then, you’ll need to exhaust all of Diallos and Jar Bairn’s dialogue before traveling back and forward a couple of times to advance time.
- Eventually, you will come to Jarburg and find that a poacher has visited and smashed some of the jars. What’s more, Diallos is injured on the ground, having defended Jarburg.
- Speak to Diallos and tell him that he defended the jars.
- Leave Jarburg and pass some time. When you return to where you last saw Diallos, you will find Hoslow’s Petal Whip, Diallos’s Mask, and a Numen’s Rune on the ground.
Also Read: Elden Ring: Best Rune Farm Location – 10 Million Runes/Hour
And that’s how you complete Diallos’ questline in Elden Ring. You’ll want to do this as soon as you can to get the great rewards!
Also, now you have Hoslow’s Petal Whip, be sure to check out the other best Dexterity weapons in Elden Ring!
Additionally, thanks to Games From Mars for their walkthrough of the Diallos and Jar-Bairn quests below: