Panta Rhei is an Event Warp for Dr. Ratio that will have a rerun in the second phase of Version 3.2 in Honkai Star Rail. See the banner's release date, all character drops, and all light cone drops here.

Dr. Ratio's Banner Rerun Release Date

Dr. Ratio Banner Rerun Banner Schedule

Dr. Ratio's banner, Panta Rhei, will be available in the second phase of Version 3.2, starting from April 30, 2025 until May 20, 2025. The featured 4-star characters in his banner are Dan Heng, Serval, and Moze.

Running at the same time as his banner is his Light Cone, Baptism of Pure Thought, available through the Bygone Reminiscence banner.

Honkai: Star Rail 3.2 Banners

Dr. Ratio Banner Rerun Countdown for All Servers

Dr. Ratio Banner Start and End Date for All Servers

Dr. Ratio Rerun Banner Overview

Panta Rhei Warp Simulator

Panta Rhei

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Give it a shot!

Dr. Ratio's Banner Gacha Rates

List of Characters in Dr. Ratio's Banner

★5 Character Drops in Dr. Ratio's Banner

★ Featured 5-Star Character ★
Dr. Ratio
Standard 5-Star Character Drops
Bailu	Bronya	Clara
Gepard	Himeko	Welt
Yanqing

There is a 50% chance to get Dr. Ratio as your first 5-star pull. If you get a different 5-star on this limited banner, your next 5-star pull is guaranteed to be Panta Rhei.

Customize Standard 5-Star Characters

Custom 5-Star Character Options
Seele	Blade	Fu Xuan

As of Version 3.2, you can also choose to swap out some of the Standard 5-star characters with the ones listed above! These characters will still have the same drop rates as the original Standard 5-star characters.

All 5-Star Characters

★4 Character Drops in Dr. Ratio's Banner

★ Featured 4-Star Characters ★
Dan Heng	Serval	Moze
Standard 4-Star Character Drops
Arlan	Asta	Herta
Hook	March 7th	Natasha
Pela	Qingque	Sampo
Sushang	Tingyun	Yukong
Luka	Lynx	Guinaifen
Hanya	Xueyi	Misha
Gallagher

All 4-Star Characters

List of Light Cones in Dr. Ratio's Banner

★5 Light Cones in Dr. Ratio's Banner

There are no 5-Star Light Cones available in Panta Rhei's Banner. Check out our list of 5-Star Light Cones and their effects here!

All 5-Star Light Cones

★4 Light Cones in Dr. Ratio's Banner

4-Star Light Cone Drops
Make the World Clamor	A Secret Vow	Planetary Rendezvous
Swordplay	Landau's Choice	Eyes of the Prey
Shared Feeling	The Birth of the Self	The Moles Welcome You
Memories of the Past	Only Silence Remains	Day One of My New Life
Good Night and Sleep Well	Post-Op Conversation	Geniuses' Repose
Under the Blue Sky	Subscribe for More!	Dance! Dance! Dance!
Resolution Shines As Pearls of Sweat	Perfect Timing	Trend of the Universal Market
Indelible Promise	Concert for Two	Boundless Choreo
After the Charmony Fall	Poised to Bloom

All 4-Star Light Cones

★3 Light Cones in Dr. Ratio's Banner

3-Star Light Cone Drops
Sagacity	Mediation	Hidden Shadow
Pioneering	Mutual Demise	Multiplication
Adversarial	Passkey	Meshing Cogs
Loop	Defense	Shattered Home
Fine Fruit	Darting Arrow	Data Bank
Chorus	Void	Amber
Collapsing Sky	Cornucopia	Arrows

All 3-Star Light Cones

Honkai: Star Rail Related Guides

All Gacha (Warp) Banners

List of Current Gachas (Warps)

All Current Gacha (Warps)
Castorice Banner (Version 3.2 Phase 1)	Make Farewells More Beautiful (Version 3.2 Phase 1)
Indelible Coterie (Version 3.2 Phase 1)	Coalesced Truths (Version 3.2 Phase 1)
Stellar Warp	Departure Warp

List of Upcoming Gachas (Warps)

Upcoming Gacha (Warps)
Anaxa Banner (Version 3.2 Phase 2)	Life Should Be Cast to Flames (Version 3.2 Phase 2)
Dr. Ratio Banner (Version 3.2 Phase 2)	Baptism of Pure Thought (Version 3.2 Phase 2)
Hyacine Banner (Version 3.3 Phase 1)	Cipher Banner (Version 3.3 Phase 2)

Gacha (Warp) Banner Guides

Other Gacha (Warp) Banner Guides
Best Warp Banners	Warp Banner History
Pity System Explained	All Warp Simulators