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Seiken Densetsu 3 / Trials of Mana - Better Monsters and Maps

Hack of Seiken Densetsu 3


Seiken Densetsu 3 / Trials of Mana – Better Monsters and Maps

v2.6, by hmsong

There were many places in the game where the enemy groups and/or levels were unsatisfactory. This patch intends to mitigate those. In addition, hmsong also added/deleted numerous things to make the game experience less frustrating, without compromising the original gameplay. Included are:

  • Added/edited freebie treasures (including money chests) around the world, which the original game did not use for some reason.
  • Changed the item drop for many enemies, so that you’d have access to Demon’s Claw and Wolf Devil Oil, which you couldn’t get in the original game (other than randomly from the Magic Seed).
  • Edited enemy groups in some areas, so that you have access to all enemies (and therefore their drops) by the end of the game in all paths.
  • Added Magic Pot in more places, so that you’d have easier time accessing the Seeds’ contents.
  • Fixed few bugs from the original game that can result in crashes or softlocks.
  • Fixed few errors from the original game regarding enemies’ levels/stats.
  • Enabled Magical Rope or Wind Drum in the places that should have them.
  • Repaired the broken bridge in Cleft of the Earth after a certain plot point.
  • Rolante stays open after the raid.
  • Bucca is revisitable (via Flammie).
  • Altena town is visitable in all paths (via Flammie).
  • And much much more. Check the document for more detail.

If anyone wants me to add/delete some things in particular maps, let me know. hmsong is open for suggestions, and may be able to work out a solution.

BIG thanks to Map Jester ( Map Jester is a SD3 map editing tool. 90+% of map information for SD3 for this patch came from using this tool.

Applying Notes:

  • This is specifically for No Header ROM. If you only have a Headered ROM, then you can use TUSH ( to remove the header.
  • Compatible with the English NCorlett-translation patch. But again, you need a No Header ROM. If you are using the translation patch from, then you need to apply the translation to a Headered ROM first, then use TUSH to remove the header. And then you can apply these patches.
  • Compatible with the new Trials of Mana ROM, released in 2019. But again, you need a No Header ROM.

There are other hacks for Seiken Densetsu 3 that you should check out:

Sin of Mana

  • This changes the contents of the game in many ways, such as equipment bonus, level-up change, class balance, difficulty, boss behaviors, running in battles, MP regeneration, dungeon format, and tons of bug fixes. It’s a completely new game though, since so much has changed, and the game progress is slightly different.
  • There is also a forum (google “Sin of Mana forum”), where you can ask the creator (praetarius5018) numerous questions. He is very helpful, and even helps you to create your own hack. He certainly did for me.
  • Sin of Mana is NOT compatible with the new Trials of Mana.
  • Sin of Mana is NOT compatible with hmsong’s patches.

Please leave comments or reviews. This would give the creator ideas on what is good or not, and depending on the situation, even revise the patches. You can also send the author an email (address in the attached document).

If you have any questions or find errors, please PM hmsong on (click the name, then click the name next to “Forum Account”, then click “Send PM”).

Also, check out the SD3 hack discussion forum at:

ROM / ISO Information:

  • Database match: Seiken Densetsu 3 (Japan)
  • Database: No-Intro: Super Nintendo Entertainment System (v. 20180813-062835)
  • File/ROM SHA-1: 209C55FD2A8D7963905E3048B7D40094D6BEA965
  • File/ROM CRC32: 863ED0B8



RHDN Hack ImageRHDN Hack ImageRHDN Hack ImageRHDN Hack Image


ContributorType of contributionListed credit
hmsongOriginal Hacking

User Review Information

User Reviews
Definitely worthy for better experiencesoul_knight09 Oct 20211.9Yes