Monster Hunter Stories 3 is in its post-launch phase, with a free King Monster update and the first paid side-story DLC released in late June 2026, alongside ongoing sales and a detailed developer presentation on its battle AI.
Monster Hunter Stories 3 launched in March 2026 for Nintendo Switch 2, PlayStation 5, Xbox Series X|S, and PC. The game's post-launch support began in June 2026 with a free update and the first paid DLC chapter. The free update, released on June 26, added a high-difficulty final boss battle accessible with post-game save data. Clearing it causes King Monsters, marked with crown icons, to appear in field areas, including Invading Beasts and Heavenly Ancient Dragons.
The paid DLC, Additional Side Story: Rudy's Story, launched at 1000 yen on the same day. It explores the origins of Rudy, the protagonist's Felyne companion, and features Navirou and the Elder Dragon Nergigante. Nergigante cannot become a Monstie but appears as a powerful enemy. Clearing Rudy's Story and meeting King Monster conditions unlocks a quest to challenge King Monster Nergigante. The DLC rollout signals a focus on character-driven side stories rather than new monsters or regions.
Capcom also promoted the game through a Capcom Spotlight stream on June 26, which included updates on the DLC and other titles. The first PlayStation Store sale offered up to 20% off until July 1, and a promotional video showed Dragon Person Ena returning 200 years after the events of Monster Hunter Stories 2: Wings of Ruin. At CEDEC 2026, Capcom programmer Mitsuhiko Inaba detailed the battle AI system, which uses a two-layer structure where machine learning selects an action category and traditional methods pick a specific skill.
Synthesized by Yomimono from the cited Yomimono stories below, each itself
sourced, then editorially reviewed. Every
fact links the story it came from.
Aug 15
At CEDEC 2026, Capcom programmer Mitsuhiko Inaba presented the battle AI system for Monster Hunter Stories 3. The system uses a two-layer structure where machine learning selects an action category, and traditional methods pick a specific skill. This approach lets planners adjust character behavior intuitively without complex conditions, and a shared base model enables efficient production across characters.
Jun 27
Capcom released the first chapter of the 'Side Stories' DLC for Monster Hunter Stories 3: Twisted Reflection on Thursday, accompanied by a new trailer. The DLC, titled 'Side Story: Rudy,' introduces a narrative focused on the character Rudy. The base game launched in March for Nintendo Switch 2, PlayStation 5, Xbox Series X|S, and PC.
Jun 26
Capcom released a free update for Monster Hunter Stories 3: Twin Dragons of Destiny on June 26, 2026. The update adds a high-difficulty final boss battle accessible with post-game save data. Clearing it causes King Monsters, marked with crown icons, to appear in field areas. These include Invading Beasts and Heavenly Ancient Dragons. A paid DLC, Additional Side Story: Rudy's Story, also launched at 1000 yen. It explores the origins of Rudy, the protagonist's Felyne companion, and features Navirou and the Elder Dragon Nergigante. Nergigante cannot become a Monstie but appears as a powerful enemy. Clearing Rudy's Story and meeting King Monster conditions unlocks a quest to challenge King Monster Nergigante. The game's first sale is also live, with the standard edition 20% off at 7192 yen. Sale periods vary by store. The game is available on Switch 2, PS5, Xbox Series X|S, and PC.
Jun 23
Capcom will stream a 30-minute Capcom Spotlight on June 26 at 6:00 a.m. on YouTube. The program will feature updates on Monster Hunter Stories 3: Twin Dragons of Destiny, Onimusha: Way of the Sword, and the large expansion Dragon's Dogma 2: Dark Arisen. Voice actor Takehito Koyasu narrates. Multiple streamers will host mirror streams.
Jun 23
Capcom announced a digital event called Capcom Spotlight, streaming on June 26 at 6:00. The program will reveal details on the paid DLC side story "Rudy Chapter" for Monster Hunter Stories 3: Fate's Twin Dragons, new information on Onimusha: Way of the Sword, and follow-up news on Dragon's Dogma 2: Dark Arisen. Voice actor Takehito Koyasu narrates the 30-minute stream.
Jun 17
Capcom announced the first PlayStation Store sale for Monster Hunter Stories 3: Fate's Twin Dragons, offering up to 20% off until July 1. A new promotional video shows Dragon Person Ena, who returns 200 years after the events of Monster Hunter Stories 2: Wings of Ruin.