Imaginarium Theater (IT) is an endgame mode in Genshin Impact that resets on the first day of every month. After completing all stages in this mode at the hardest difficulty, players can obtain Primogems, Mora, Sanctifying Elixir, Sanctifying Essence, and Character talent level-up books, among other rewards. Recently, a leaker known as HomDGCat shared information about the upcoming February 2026 IT cycle. Based on leaks, this IT season is rumored to be released on February 1, 2026, as part of the Luna IV update. On that note, let's take a look at the leaked boss lineup, new opening, and guest characters for the February 2026 Imaginarium Theater season in Genshin Impact Luna IV.Note: This article is based on early leaks and is subject to change. Readers are advised to take this information with a grain of salt.Genshin Impact Luna IV Imaginarium Theater leaks for February 2026New characters for Imaginarium Theater February 2026 cycle As mentioned, HomDGCat has shared some details about the rumored February 2026 Imaginarium Theater cycle. According to the leaked information, players will only be able to use Pyro, Hydro, and Geo characters in the February 2026 IT season. The leaker has also shared additional details about the boss lineup, opening characters, and the special guest characters in the upcoming IT season. Furthermore, they also claimed that new Thespian Tricks for Albedo, Yanfei, Shenhe, and Xianyun are rumored to be released in this IT cycle. Opening characters You must select all opening characters to play the Imaginarium Theater game mode. If you don't own some of these units, you can use the trial characters. Here's a list of all the opening characters for the February 2026 IT cycle: Yoimiya Gaming Yelan BarbaraChiori Yun JinAlso read: New Genshin Impact lunar crystallization reaction leakedSpecial guest charactersTo use special guest characters in the highest difficulty of the IT game mode, you must own them first, and you also have to level these characters to Lvl 70. Here's a list of the rumored special guest characters for the February 2026 IT season:Ineffa Flins Nefer LaumaAlso read: Genshin Impact Luna IV new artifact sets leakedBoss lineup for the Imaginarium Theater February 2026 cycleLastly, HomDGCat has also shared the rumored boss lineup for the February 2026 IT season. According to these rumors, the Arcanum stages in this IT season will not feature bosses. Instead, to complete these levels, players will have to defeat a specific number of enemies in under 65 seconds. Here are the details of the rumored boss lineup for the Genshin Impact Luna IV IT season: Act 3: Perpetual Mechanical Array Act 6: Veteran Frost and Wind OperativesAct 8: Goldflame Qucusaur TyrantAct 10: Legatus GolemAlso read: Genshin Impact Columbina leaks: Skill, burst, passives, and constellations