This is a guide for the “A Friend in Deed” Side Quest in Hogwarts Legacy. It’ll navigate you through the necessary steps to defeating the Mountain Troll and finding Sirona’s Letters and Sirona’s Letter Box.

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Speak with Sirona in The Three Broomsticks.

Quest Start	Map Marker
Hogsmeade	Map Marker

How To Start A Friend in Deed¶

After you’ve completed the Main Story Quest “The Helm of Urtkot” you’ll be able to speak with Sirona Ryan who can be found in The Three Broomsticks in Hogsmeade. Here you’ll need to make a trip over to Upper Hogsfield and speak with Dorothy. Here she’ll want some Horklump Juice which you will most likely have already, but if you don’t then you can find outside any nearby Treasure Vault.

Where Is The Horklump Hollow¶

Whilst speaking with Dorothy she is reminded about going through some Letters with Sirona, but her partner dropped them in the nearby cavern whilst looking for Horklumps, so she requests that you go and find them. Follow the way point to the southwest until you reach the Horklump Hollow, then work your way through the linear path until you stumble into a Mountain Troll.

How To Defeat The Mountain Troll¶

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(1 of 3) Constantly keep on the move to avoid the Troll’s attacks

In order to defeat the Mountain Troll you’ll need to be constantly dodging whilst shooting it with Damage Spells, such as Confringo and Bombarda, then use Protego when it launches boulders at you, as you’ll be able to quickly grab it and launch it back at it. If you successfully pull this off, then the Troll will be temporarily more vulnerable to follow-up attacks. Additionally, keep on the lookout for when the Troll slams its club on the ground with both hands, then quickly use Flipendo to deal a large amount of damage.

Where To Find Sirona’s Letters and Sirona’s Letter Box¶

After you’ve managed to defeat the Mountain Troll, head through the gate to the south, then crawl through the wall to find all of Sirona’s Letters scattered on the floor alongside the box. Finally, return to The Three Broomsticks and Hogsmeade and give the items to Sirona to bring the quest to a close.