If you are playing Honkai Star Rail, you must know about the Simulated Universe activity and the different events that you encounter in it. For players who don’t know, the Simulated Universe is a rogue-like game mode in Honkai Star Rail where you must tackle six domains to clear the respective activity in the game.
Among these six domains, we have the Occurrence domain, where players can encounter special events. These special events are your best source for earning Cosmic Fragments and other lucrative rewards. So, keep reading our guide as we explain everything you need to know about Honkai Star Rail Simulated Universe events.
- Here’s the best Jing Yuan build in Honkai: Star Rail.
What are Simulated Universe events in Honkai Star Rail?
The events are a kind of sub-activity encountered within the Simulated Universe whenever you reach a particular milestone or enter the Occurrence domain.
You can engage in these events, which mainly revolve around making certain choices during interactive events and purchasing specific items to earn Cosmic Fragments, which you can then use to reroll Blessings, get new upgrades, and revive fallen team members.
How many Simulated Universe events are there in Honkai Star Rail?
When writing this guide, we have around thirty-eight Simulated Universe events in Honkai Star Rail, where approximately twenty-nine are random events found in the Occurrence domain.
All Honkai Star Rail simulated universe events
Here are all the known Simulated Universe events, the different choices and actions you can perform, and their respective rewards:
| Simulated Universe Event | Choice/Action | Outcome/Reward |
| The Nihility | Defeat the first enemy in World 4. | Unlocks Blessings of Nihility |
| Aha Stuffed Toy | Pat Lightly + Pat LightlyPat Lightly + Hit HardlyHit Hardly + Pat LightlyHit Hardly + Hit Hardly | In all cases, you earn between 100 to 400 Cosmic Fragments. |
| Bounty Hunter | Choice 1: Give him the fur you’re wearing. Choice 2: Walk away. | Choice 1: You discard one Curio in exchange for 200 Cosmic Fragments. Choice 2: You’re not interested. |
| Galactic Merchant (Part I) | Choice 1: Purchase a metal Wish-In-A-Bottle.Choice 2: Purchase a silver ore Wish-In-A-Bottle.Choice 3: Leave. | Choice 1: Use 100 Cosmic Fragments to get the “Good Value” Blessing. Choice 2: Use 100 Cosmic Fragments to get the “Surprising” Curio.Choice 3: You’re not interested. |
| Galactic Con Job (Part 2) | Choice 1: Purchase a diamond box.Choice 2: Purchase an ore box.Choice 3: Leave. | Choice 1: You can enhance three random Blessings.Choice 2: You can obtain a three-star Blessing. Choice 3: No effect. |
| Galactic Altruist (Part 3) | Choice 1: Record of the Aeon of The (Current Blessings)Choice 2: Record of the Aeon of The (Current Blessings)Choice 3: Record of the Aeon of The (Current Blessings) | Choice 1: You can enhance three random 1-star Blessings.Choice 2: You can enhance two random 2-star Blessings.Choice 3: You can enhance a random 3-star Blessings. |
| History Fictionologists | Choice 1: Pick an Error Code Curio.Choice 2: Leave. | Choice 1: Error Code Curios will exert negative effects until they’re patched > Selection of 3 of the Error Code Curios appears > You can select one. Choice 2: Refuse |
| Implement of Error | Choice 1: Pick an Error Code Curio.Choice 2: Leave. | Choice 1: Error Code Curios will exert negative effects until they’re patched > Selection of 3 of the Error Code Curios appears > You can select one.Choice 2: Refuse. |
| Insect Nest | Choice 1: Go deeper into the insect nest.Choice 2: Stop at the entrance of the nest.Choice 3: | Choice 1: Get the Curio Insect Web. Choice 2: Obtain 100 Cosmic Fragments. |
| Interactive Arts | Choice 1: Musical.Choice 2: Action.Choice 3: Please let me live. | Choice 1: Obtain a 2-star Blessing of Elation.Choice 2: Obtain a 2-star Blessing of The Hunt.Choice 3: All characters restore 100% maximum HP. |
| I.O.U Dispenser | Choice 1: I’ll buy it.Choice 2: I don’t need it. | Choice 1: Receive Curio: Angel-type I.O.U. Dispenser.Choice 2: Obtain 100 Cosmic Fragments. |
| Jim Hulk and Jim Hall | Choice 1: Jim Hulk’s collection.Choice 2: Walk away. | Choice 1: Obtain 1 Blessing of 1 or 2-star rarity.Choice 2: Obtain 100 Cosmic Fragments. |
| Kindling of the Self-Annihilator | Choice 1: Accept the flames of “Self-destruction” and destroy the black box.Choice 2: Refuse. | Choice 1: Obtain 1 random Negative Curio and 1 Blessing of 3-star rarity.Choice 2: Obtain 100 Cosmic Fragments. |
| Saleo (Part 1) | Choice 1: Pick Sal.Choice 2: Pick Leo. | Choice 1: Obtain 1 Curio, and all characters lose HP equal to 20% of their current HP.Choice 2: Discard 1 Curio, and obtain 1 Blessing of 2-star rarity. |
| Sal (Part 2) | Choice 1: Pick Sal. Choice 2: Let Leo out. | Choice 1: Obtain 1 Curio, and all characters lose HP equal to 20% of their current HP.Choice 2: Reset Sal and Leo’s personalities. [This earns you 100 Cosmic Fragments.] |
| Leo (Part 3) | Choice 1: Pick Leo. Choice 2: Let Sal out. | Choice 1: Discard 1 Curio, and obtain 1 Blessing of 2-star rarity.Choice 2: Obtain 100 Cosmic Fragments. |
| Nildis | Choice 1: Flip the card.Choice 2: Give up. | Choice 1: Chance to gain 1 Blessing/1 Curio/100 Cosmic Cubes; if failed, enters combat against 2 random enemies; small chance of drawing a blank card doing nothing.Choice 2: Ends the event. |
| Nomadic Miners | Choice 1: Qlipoth’s Favor.Choice 2: Qlipoth’s Blessing. | Choice 1: Enhance 2 random Blessings. Choice 2: Obtain 1 Blessing of Preservation of 2-star rarity. |
| Rock, Paper, Scissors | Choice 1: Fight for the 0.63% chance.Choice 2: Pick 100% security. | Choice 1: Enter battle.Choice 2: Lose 100 Cosmic Fragment(s). |
| Ruan Mei | Choice 1: Worship Aeons.Choice 2: Want lots of money. | Choice 1: Obtain all Blessings of The Preservation/The Nihility/The Abundance/The Hunt/The Destruction/The Elation.Choice 2: Obtain 2000 Cosmic Fragment(s). |
| Shopping Channel | Choice 1: A box of expired doughnuts.Choice 2: A lotus that can sing the Happy Birthday song.Choice 3: A mechanical box. | Choice 1: All characters lose Transcription missing% HP.Choice 2: Discard 1 Blessing and obtain 1 Blessing of 1-star rarity.Choice 3: Obtain 1 Curio. |
| Societal Dreamscape | Choice 1: Swallow the other fish eye and continue to enjoy the massage.Choice 2: Return to work. | Choice 1: Obtain one random negative Curio and 300 Cosmic Fragment(s).Choice 2: Obtain 100 Cosmic Fragment(s). |
| Statue | Choice 1: Discard the statue! Be decisive.Choice 2: Believe in “them” with pure devotion. | Choice 1: Obtain 1 Blessing of 2-star rarity, and all characters lose HP equal to 30% of their current HP.Choice 2: Obtain 1 Blessing of 3-star rarity, and all characters lose HP equal to 80% of their current HP. |
| Stephen Lloyd’s Idea | NA | NA |
| The Architects | Choice 1: Thank the Aeon Qlipoth.Choice 2: Leave. | Choice 1: Obtain 1 Curio.Choice 2: Obtain 150 Cosmic Fragment(s). |
| The Cremators | Choice 1: Give everything to “them.”Choice 2: Bear ten carats of trash. | Choice 1: Discard 1 Blessing of 1-2 star rarity and obtain 1 Blessing of 1-3 star rarity.Choice 2: Obtain 80 Cosmic Fragments. |
| Three Little Pigs | Choice 1: Play a bit with Sequence Trotters.Choice 2: Leave. | Choice 1: You’re entering a room with three Trotters. Be mindful that they don’t run away.Choice 2: A person shouldn’t be on the same level as Trotters! |
| Unending Darkness | Choice 1: Head into the darkness.Choice 2: Fight the pull. | Choice 1: There seems to be a giant shapeless black net before you… (receive Negative Curio)Choice 2: Your scattered attention needs to focus. |
| We Are Cowboys | Choice 1: Pay.Choice 2: Protect the cowboy’s final honor. | Choice 1: Lose 50% of the Cosmic Fragments you currently own.Choice 2: Enter battle. |
| Pixel World | Choice 1: Climb into the pipes to the left.Choice 2: Jump onto the bricks to the right. | Choice 1: Obtain 200 Cosmic Fragment(s).Choice 2: Obtain 2 Blessings of 1-star rarity, and all characters lose HP equal to 20% of their current HP. |
| Let’s Exchange Gifts | Choice 1: Blessing ReforgeChoice 2: Blessing ExchangeChoice 3: Leave | Choice 1: Discard a Blessing of 3-star rarity, and obtain 1 Blessing of 3-star rarity.Choice 2: Discard 1 Blessing of 1-2 star rarity, and obtain 1 Blessing of 1-3 star rarity.Choice 3: You’re not interested |
| Make A Wish | Choice 1: Exchange for 1 Blessing of 2-star rarity.Choice 2: Exchange for 1 Blessing of 3-star rarity.Choice 3: Leave. | Choice 1: All characters lose HP equal to 20% of their current HP.Choice 2: All characters lose HP equal to 80% of their current HP.Choice 3: You don’t want to water it. |
| Robot Sales Terminal | Choice 1: Purchase 1 Blessing of 1-2 star rarity.Choice 2: Purchase 1 Blessing of 1-3 star rarity.Choice 3: Leave. | Choice 1: Consume 50 Cosmic Fragment(s).Choice 2: Consume 100 Cosmic Fragment(s).Choice 3: You don’t want to buy anything. |
| Periodic Demon Lord | Choice 1: Hurry and delete the Cyclic Demon Lord’s life algorithm. | Choice 1: Join the challenge and achieve battle victory within 4 turn(s). (Select 2 Blessings upon successful completion.) |
| Tavern | Choice 1: Challenge Mr. France’s security team.Choice 2: Challenge the burly Avila’s mercenary company Expose him.Choice 3: Fight both together! | Choice 1: Expose his bankcruptcy. If you complete the challenge, obtain 1 Blessing.Choice 2: If you complete the challenge, obtain 1 Blessing.Choice 3: Enter battle and obtain all rewards. |
That concludes our guide on Honkai Star Rail Simulated Universe events. For more on Honkai Star Rail, keep reading The Games Cabin.