ff6ace_captions.srt

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This is a Tool-Assisted Speedrun created by Kadmony and Keylie

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The final time is 31:47.69, using 11562 rerecords

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You can visit tasvideos.org for more information

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The route in this TAS is to execute arbitrary code using a glitched weapon attack

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The Japanese version of the game features a glitch that allows you to equip any item in any slot

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Simply put the item in the 256th slot, make sure you cannot equip any item in that slot, and select "Optimize"

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When attacking with a glitched weapon, the game calls an incorrect routine for the attack animation

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The routine we want to call is delivered by either the X-Ether, Charm Bangle, Czarina Ring or Gold Hairpin

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All these items are only found in the late game (>_<)

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However, using the sub-frame reset technique, we can gather them much quicker (^_^)

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In this route, we will take an X-Ether from the Ancient Castle

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We access the Ancient Castle by combining the map id of the Cave to the Sealed Gate (0186) and the Phantom Train (0092)

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This gives id 0192 which is the cave to the Ancient Castle

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We select Bio Blast with Terra for the next fight

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Battle Speed 6 (slowest), Message Speed 1 (fastest) and cursor on memory

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Having no window opened speeds up the fight ending

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We need to win another fight so Terra reaches level 4

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Opening a window freezes the enemy ATB (wait trick)

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We use the escape to modify the RNG

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The second group is the strongest

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We don't need to unequip Mog's weapon this time

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We save once in Narshe to keep the uninitialized World Map coordinates in memory

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We will be using these coordinates to teleport elsewhere in the World Map

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We open the menu here to store Y = 0x34 in the map coords

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We enter again and this time store X = 0x18 in the map coords

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We save and reset after overwriting X map coord

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Now we have one savefile with X = 0x18 and Y = 0x34 (used later)

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We save/reset after overwriting the world map coords

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This transfers the uninitialized World Map coords to the save in the World Map

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allowing us to reach any destination (but only once)

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This time, we overwrite only the World Map X coord

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Together with Narshe Y coord, this produces new coords

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We buy Sprint Shoes and sell Locke's weapon

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Again, overwriting only the X coord

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This allows us to enter the Cave to the Sealed Gate

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Grabbing Locke's Assassin weapon

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It has a 1/4 chance of inflicting the Death status

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You may notice we change the colors of the menu before doing any save/reset

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This is to manipulate the save checksum, otherwise the save is considered as corrupted

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We want to reach the savepoint here, because the map id is 0182

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Together with the first savepoint of the Phantom Train (id 0092)

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We can produce a new id 0192 which is the cave to the Ancient Castle

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We also needed the previous coords setup in Narshe so that we appear there inbounds

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We do a first save/reset to transfer Locke's weapon to the other savefile

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And a second one to write the map id on the savefile with the right map coords

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Next step is to recruit Sabin and Cyan

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We need both of them to enter the Phantom Train

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There are several ways to recruit both characters

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We chose to do the whole Imperial Camp sequence

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We will have a little help from Locke

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Shadow's theme is not supposed to be played here btw

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Because of our the game script is coded, we will keep Locke and Terra in the next fight

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Well, let's use Locke weapon then

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I wonder if the developers put a Death protection on Kefka

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Nope

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This saves a few seconds as it skips some dialogues

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We equip the Black Belt on Locke and set Battle Speed on 1 (fastest)

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We have Kuku in our team instead of Sabin

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He is weak (level 2) but can still kill the soliders with a critical

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Terra however cannot

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MTek Armors are immune to Death so we cannot use Locke

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Kuku is too weak to kill an MTek Armor himself

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We will use a little shortcut with a save/reset

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Now we can enter the Forest from the exit, which is much closer to the Train

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The game would softlock here without both Sabin and Cyan

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Save/reset to write the first byte of the map id

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To be able to execute our custom code, we need to attack with the X-Ether at a specific frame of the fight

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At frame 19025 exactly, which is after 5 minutes of fight

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Thanks to the TAS convention, we only care about the last input

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So we must find a way to make a character attack without any input

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The solution we used is to get the character muddled

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He will use a random command by himself

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The enemy we want to fight is the Goblin, which can cast L.3 Muddle when alone

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Locke is currently level 6, so he will be holding the X-Ether

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In our custom code, we must take care of ending the fight without any input to do (no XP/Gold message)

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Then we just have to manipulate the enemy to cast L.3 Muddle after 5 minutes while keeping Locke alive, with no input

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This was easily the hardest part of the TAS, and it took more time than doing the rest of the TAS

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We start to move Assassin at the bottom of the inventory

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We want Cyan to equip that weapon, but he normally cannot

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That's why we will use the equip glitch

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Grabbing the X-Ether

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We equip the Assassin on Cyan and give the shield to Locke

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Now we move the X-Ether at the bottom of the inventory

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We cannot do it in one fight, so we will need to finish from the menu (slower)

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Moving the X-Ether down and selecting Optimize

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Now the full code that triggers the ending is written with the window colors

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If you are interested in the technical details, read the tasvideos submission text

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We need to kill the two small enemies, because the remaining one has a different AI script when alone

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With some wait trick, Cyan can kill both before they have a chance to attack

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We queue some commands with Terra and Kuku to end input earlier

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By selecting and deselecting a weapon, we cause lag in the RNG counter

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This was the last input, so the TAS ends here!

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Now enjoy 4 minutes of nothing

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Our custom code that will be executed consists on:

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1. Store the ending address in the event pointer

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2. Set a flag to remove the ending softlock

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This softlock happens when you trigger the ending without entering the World of Ruin

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3. Fix the stack that has been corrupted by the glitch

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4. Remove all enemies from the fight. It triggers the end of the fight

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5. Remove the Death flag from the two dead enemies.

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Otherwise we get XP/Gold messages that we would have to confirm manually

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6. Return to the normal code execution

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Still three minutes to go

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We placed the shield in the first slot, so Locke attacks with it, then the X-Ether

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End