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Diablo IV: Old Tristram, Whimsyshire and hidden rewards

Find Cain’s ten journals, collect hidden achievements and target the rainbow portal appearance.

ReleasedSeason 15 · 3.2.3 · checked 22 October 2026WindowsPlayStation 4PlayStation 5Xbox OneXbox Series X|SNintendo Switch 2
Guide coverage

Season 15 secrets with documented routes. No guarantee of rare drops or persistence in future seasons.

Opening Old Tristram

  1. Season progress

    Finish the seasonal tavern introduction in Tarsarak. The documented route makes the ten journal satchels available afterward; completing the entire seasonal questline is not established as a requirement merely to collect them. Continue the seasonal quest normally for Prime Evil powers and the later Uber route.

  2. Read all ten

    Interact with every journal satchel. The table follows the narrative order; you can visit the locations in a more convenient travel route.

  3. Deckard’s Journey

    After the tenth entry, follow the new objective to the Imperial Library in Caldeum. Speak to Deckard and use the blue Deckard’s Memory portal. It leads to Old Tristram.

The ten journal locations

No.Location / starting pointWhere to look
1Gea KulOn the harbor pier southwest of the waypoint.
2Imperial Library, CaldeumBy Cain’s location, southeast of the library waypoint.
3Kehjistan desertExit Andariel’s lair entrance and head north to the desert ridge.
4WejinhaniInside the alchemist’s hut by the waypoint.
5Lorath’s cabinIn the rear bedroom; approach from Nevesk or the Beast in Ice entrance.
6Hidden OverlookSouthwest toward the broken bridge in Jakha Basin.
7MarowenOn the western harbor pier southwest of the waypoint.
8Penitent CairnsFrom Braestaig, approach the outside entrance and use the nearby climb and jump route.
9OldstonesSouthwest of Tirmair, through the opening in the old stonework.
10Gale ValleyNorthwest of Yelesna in the woods near the old Horadrim vault.

Two easy-to-miss achievements

Accept “Ogden’s Sign” and “The Butcher” in Old Tristram. Before completing them, ask every resident about both topics: Cain, Griswold, Ogden, Adria, Wirt, Farnham, Pepin and Gillian.

The complete dialogue rounds unlock Sign Snooper and Butcher Loremaster respectively. The quests are documented as once per week per character. Delay turn-in until your desired conversations are complete.

Additional route: Echo of Tristram and Hellfire Torch

Keep one Splinter of Terror, Destruction and Hatred and combine them in the Cube into Wirt’s Lucky Coins. Splinters are documented from seasonal boss content and rewards, among other sources. Do not accidentally consume them to switch your seasonal power.

Use the coins at the Old Tristram fountain. The red portal leads to a simultaneous fight against the Echoes of Diablo, Baal and Mephisto. Documented loot includes Hellfire Torch and Standard of Heroes. Standard of Heroes is treated as a quest item; no invented appearance-unlock function is assigned here.

Whimsyshire: the reliable access route

  1. Obtain Liquid Rainbow

    Season Rank V documents a Liquid Rainbow reward. Additional copies can drop randomly. This is the consumable for rainbow access.

  2. Open the portal deliberately

    Read the item text and use it in a suitable open area when ready to enter immediately. Do not try to force use inside ongoing endgame instances.

  3. Den of Whimsy

    Proceed through Whimsyshire to the Den of Whimsy and defeat Neigh’relle. Completing the boss encounter grants the Fancy Pants title.

Rainbow portal appearance: Cuddly Conduit

Neigh’relle can drop the rare The Perfect Cupcake item. Picking it up unlocks the Cuddly Conduit rainbow Town Portal appearance and an achievement. The Fancy Pants title and this rare drop are two different rewards.

No reliable official percentage is established here. Do not plan around a guaranteed number of rainbows or a fixed kill counter for the appearance.

Random portals and old terminology

Additional access has been reported after Waking Nightmares and through goblins. The Mobalytics author observed access through Murl; other triggers remain reports there. Use Liquid Rainbow as the more clearly documented plan rather than calling every goblin a guaranteed portal source.

Whimsyshire, Scylara’s cow island and the Bovine Sanctum are different destinations. The D3 Staff of Herding is not required for the D4 Liquid Rainbow route described here.

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Sources & editorial reference date

Independently written guidance. Linked sources support verification of game systems, versions and described changes. Editorial reference date: 2026-10-23.

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