CheatCodes.com has all the official Breath of Fire GBA cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Thursday May 23, 2013 for Breath of Fire are shown below.
Once you get Nina back, and she can fly, make sure to fly around and go to all the shrines and stuff and find the secret Dragon weapons. It will benefit you!
I know that on most of my files Nina ALWAYS is the one who can do the least. Her attack is VERY low, and she has no battle spells, so, here are some tips to raise Nina's attack. When you first get Nina in Winlan, just go off & battle some of the easy enemies, then go into the cave. Then you get the guards, so then every battle's experience is split into 3. But, find a fairly strong enemy, then make all 3 defend. And try and make the guards die. Heal Nina if she gets hit, don't heal the guards. So now, the 2 guards are dead, and Nina collects ALL exp points for every battle, I got Nina up to Level 11 that way. Then, later in the game, make sure to equip both Sashs that you find to raise her attack by 20. Now, Nina should have about 125-150 attack points, sure, it's not great, but hey! It's better than Bleu. Or, if you want, just use nina for healing. It's up to you.
To get the B.Rang you have to get Ox. After you get Ox go back to the Krypt in the desert after getting the icicle. When are in the Krypt you will see this rock that will say break the rock and you can get the B.Rang. So you put Ox in the first position and then you press the A button in front of the rock and you will gain the B.Rang.
Go to the third Dragon Shrine and go west to a piece of land sticking out into the lake. Fish on the very end of it to catch a C.Fish.
With the Sphere, you can also reach Tunlan. Fall down a pit to the left of the vault in the princess's house, then search the box to find the Rod5. This is used to fish at the wells.
The Tri-Rang can be found behind Pagoda after Nina learns how to fly, and before Pagoda has been activated. Search directly behind the twin towers of Pagoda to find it.
Check by the throne after defeating Jade to discover the Emperor Sword. Search the right hand pillar in the same room for the Star Hammer. Use this in combat to produce the Comet spell effect.
Before battling Jade in Obelisk, he will ask you if you want to join him. Answer "Yes", and whenever he asks you if you want to change your mind, answer "No". Do not push any buttons and he will soon say, "I'm bored. Entertain me!". After this, there will be a battle scene. You will fight a D.Flea, a Crab, a Flower, a G.Slime, and finally an M.Slime which, when defeated, will give you 9999 experience and 9999 gold.
When you visit Bleak, go to the boy who thinks he is a magician. He will say "Put a hundred coins on the table and I will make them disappear". Agree to his request and wait for him to say "Look behind you." Say "No" twice, then say "Yes". You should see Chun Li practicing her lightning kick.
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