Alu's Treasure Heartopia: The step-by-step quest

Alexandre Jollier April 29, 2026 at 2:40 PM

In brief

Alu's Treasure is a quest available in Heartopia starting at Builders' Association level 11. Meet the NPC Naughty near Onsen Mountain Lake to get clues, then locate the hidden treasure near the capybara statues to collect exclusive rewards.

As part of the Alu's Treasure quest offered in Heartopia, you have the opportunity to recover hidden treasures while interacting with non-player characters (NPCs). Let's see how to proceed!

The Alu's Treasure quest

The Alu's Treasure quest is one of the various rumors to complete in Heartopia. To take part in this quest, you must have first reached level 11 of the Builders Association. The quest begins with the NPC Naughty, located to the north, near the Onsen Mountain lake. To find him, head towards the rocky area above the water and follow the wooden path that leads to his hiding spot. He will explain that he loves going on treasure hunts with Alu, but that he needs your help to find the last hidden treasure.

Naughty will give you a decisive clue: the treasure is said to be hidden near "water among the rocks". He also indicates that it could be near the Stonehenge area in Onsen Mountain.

Tip

Don't be fooled by the clue "when the moon shines", as it has no effect whatsoever on when you should search for the treasure.

Treasure location

To find the treasure, head to the area indicated by Naughty. It is located in the Onsen Mountain area, near the capybara statues. The treasure is a clothing bubble in the form of a floating T-shirt. Don't confuse this bubble with other reward bubbles that might be found in the area.

Quest rewards

Once you have found the bubble containing the treasure, go back to see Naughty. By showing him the item you recovered, he will give you the following reward:

1 x Star and Moon Earrings
500 gold coins
Rustic Garland: decorative item to place in your home
2 puzzle pieces

Did you manage to find Alu's Treasure on your first try?

Frequently asked questions

What is the minimum level required to start the Alu's Treasure quest?

You need to have reached Builders' Association level 11 to take part in this quest.

Where exactly is the NPC Naughty located?

Naughty is located north of Onsen Mountain Lake, on the rocky area above the water. Follow the wooden path to reach his hideout.

What does the treasure I need to look for look like?

The treasure appears as a clothing bubble containing a floating T-shirt. Don't confuse this bubble with other reward bubbles in the area.

Is the clue 'when the moon shines' important for finding the treasure?

No, this clue has no effect on when you should look for the treasure. Focus instead on the geographic location indicated by Naughty.

Key takeaways

You must reach Builders' Association level 11 to access this quest
The NPC Naughty, located north of Onsen Mountain Lake, guides you with a decisive clue: look near the water among the rocks
The treasure is found in the Stonehenge area in the form of a clothing bubble (a floating T-shirt)
Rewards include Star and Moon Earrings, 500 gold coins, a Rustic Garland, and 2 puzzle pieces