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During Castti’s Chapter 4 in Octopath Traveler II, she hurries to Timberain to stop Trousseau. Please note that the recommended level for this main story is 45.
Timberain
When searching around town, head up the western stairs leading to the Armorer to trigger a cutscene where you’ll meet an old friend. Follow Edmund to the tavern where you’ll recruit the soldiers.
To begin your search for Trousseau, head north to the Timberain Castle: Town Square then enter Timberain Castle.
Timberain Castle
As you make your way through this area, you can find the below!
Chests
| Loot | Location |
|---|---|
| Diffusing Serum | Up the stairs east of the savepoint |
| Herb Elixir | Up the stairs west of the savepoint then keep heading north to reach small balcony |
| Cleaver of Destruction | In the north central part of the castle |
| Dreamy Flower | On an eastern balcony in the room before a set of stairs leading up |
Enemies
| Name | Vulnerable |
|---|---|
| Fire Elemental | Ice / Dark |
| Ice Curator Mk.II | Sword / Axe / Fire |
| Ice Guardian Mk.II | Sword / Dagger / Bow / Fire |
| Ice Sentinel Mk.II | Sword / Spear / Axe / Staff / Fire |
| Shadow Raven | Sword / Bow / Ice / Wind |
| Woodland Birdking II | Axe / Bow / Ice / Wind |
| Woodland Birdking III | Axe / Bow / Wind |
When you work your way around to the eastern side of the castle, you’ll find a set of stairs leading up. Take them to reach the Timberain Castle: Roof.
Timberain Castle: Roof
Since the purple rain has begun, quickly make for T. Along the way you can find the below!
Chests
| Loot | Location |
|---|---|
| Mage’s Robe | From the starting point, follow the path and go up a flight of stairs. Just before the second flight, head west. |
| 23000 leaves | Northeastern corner |
| Dragon’s Helm | Central gazebo |
| Energizing Pomegranate (L) | Southwestern corner |
| Strengthening Serum | In northwestern corner before climbing up ladder |
Enemies
| Name | Vulnerable |
|---|---|
| Ice Curator Mk.II | Sword / Axe / Fire |
| Ice Guardian Mk.II | Sword / Dagger / Bow / Fire |
| Ice Sentinel Mk.II | Sword / Spear / Axe / Staff / Fire |
| Shadow Raven | Sword / Bow / Ice / Wind |
| Spiny Shrew | Sword / Axe / Fire / Wind |
| Woodland Birdking II | Axe / Bow / Ice / Wind |
Boss Fight
You’ll find Trousseau by the purple fire just past the savepoint. For this fight, the rain will continually poison you. The boss also has a move that inflicts random status ailments. Halfway through the fight, there will be a short cutscene where Castti is unable to sway his convictions. Thus time for Round 2!! He’ll get a crazy boost to this shield, and his vulnerabilities change.
| Enemy | Vulnerable |
|---|---|
| Trousseau | Spear / Axe / Ice / Dark Sword / Spear / Axe / Staff / Ice / Lighting / Dark |
After the battle, test the Medicinal Concoction on yourself by boosting then selecting all 5 ingredients. With everyone cured, you’ll finally be able to rest. When prompted, sooth Malaya with the Skybalm that you’ll already have on hand. After saying good night, you’ll awaken to a lively town. Once the short interview concludes, so will the chapter.
