Undertale: Judgement Day (Roblox) Wiki
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Dusttrust is an AU that takes place in Underswap. It's the Underswap version of Dustbelief! Papyrus. Dustswap! Papyrus was competing to kill every monster he can find along with Frisk (Evil protagonist). However, Swap! Sans was already aware of the fact that Dustswap! Papyrus wanted to kill everybody. Swap! Sans confronted Dustswap! Papyrus, hoping for him to stop. However, Dustswap! Papyrus did not listen and attacked Swap! Sans, forcing Swap! Sans to kill him in self defense. He was distraught and vowed to avenge his brother, no matter the cost. Dusttrust! Sans has Swap! Papyrus's jacket tied around his waist, with blue gloves, a blue scarf, black shoes, black pants, grey shoulder pads with yellow stripes at the end and an armor which he calls "Battle Body." His right eye has a turquoise and yellow iris. His right pupil is black. His left eye has a red iris and a black pupil. He also has a crack in his skull. Keep in mind that when the Sans is on the last dodge or out of dodges, his sword will be grey for phase 1 and 2.

Phase 1


Before the battle starts you will see him without his eyes and his arms down as he says, he says, "Let's just get to the point." "So you're finally here" "both of us are here, standing alone." "with the same goal in mind." killing each other, and everyone we loved" "but who said you'll be the one to finish the job?" "nobody did" while saying the next quote, his eyes proceed to glow while he wields 2 purple swords and screens start shaking, "i'll make sure i'll be the ONLY one who completes the job!" and then screens turn white. Has an idle and walking animation too. The background is a white corridor with white windows and broken white pillars.

Tip: Use mainly blasters as the cooldown for them isnt global

Music: Homicidal Lunacy










Attacks Information Cool Down Special Effects
Blasters 4 Gaster Blasters appear and shoot white beams wherever the Sans clicked doing very big damage 4 Seconds KR
Bone Jumps Large lines of bones appear from the front of the corridor and go to the back (Can only be avoided by jumping or going on a pillar) doing very big damage. Puts everything else on Global Cooldown (GC) 12 Seconds KR
Rapid Blasters Gaster Blasters start appearing near people auto-aiming at them (1 Gaster Blaster per player) (Gaster Blasters appear individually) doing very big damage 8 Seconds KR
Bone Sliders One line of bones come from the back taking about half of the corridor coming up and another comes from the front going to the back taking another half of the corridor doing big damage. Puts every other move on Global Cooldown (GC) 16 Seconds KR
Blaster Circle Gaster Blasters start appearing in the form of a circle shooting white beams insane/very big damage 23 Seconds KR
Giant Blasters Big Gaster Blasters spawn in X formations, surrounding each member of the Chara Team individually. 6 Seconds KR

Block Animation

This is the animation for if a member of the Chara Team attempts to hit the Sans. He will use the two swords that he holds and out in front of him to block. Shortly after he starts holding them normally again.Upon reaching 1 dodge/block, the swords will vanish leaving dusttrust open for a hit.











Idle Animation

The idle animation is the animation that you can see if this Sans stays still. He moves his swords up and down along with his upper body too.








Phase 2

Phase 2 is when Sans is out of dodges. After being hit his swords disappear, then he starts shaking violently and says, "you think you're strong enough to kill me in one blow?" In the next quote his eyes start glowing again,"im not that weak" Then he pulls out a purple sword in his right hand and a purple flame comes from the crack in his skull with him in a different pose while saying the next quote, "you'll have to do more than stab me with that rusty knife." The the screens turn white and fades to normal with Sans doing an idle pose where his head shakes and he moves his body along with curving his left arm while he sticks out his sword. This time, Sans's crack in his skull has a purple flame coming out of it. Everybody gets their full health back on this phase.



Music: Maniacs Revenge

Tip: Use the final attack at 1 or 2 dodges then be a tryhard and jump on it yourself

Attacks Information Cool Down Special Effects
Blasters 4 Gaster Blasters appear and shoot wherever the Sans clicked 4.5 Seconds KR
Coloured Sliders Big orange and blue bones about as long as the corridor start coming from the sides of the corridor bouncing off sides repeatedly 16 Seconds KR
Sword Slash Sans proceeds to swing his sword while a warning mark appears near any person on the Chara Team and purple slashes appear as a line that extends in random directions doing high damage 3 Seconds KR
Colored Slash Sans's sword either changes to blue or orange while a blue or orange mark appears near anybody on the Chara Team and blue/orange slashes as a line that extends in random directions doing big damage 1 Second KR
Final Attack (Can only be used if the Sans has 5 dodges or less) Sans proceeds to swing his sword while a warning mark appears near the Chara Team and purple slashes appear repeatedly 3 times in a * formation before platforms (black squares with green lines around them) appear. The Chara Team Must jump on the platforms while unavoidable bones proceed to rise up, doing 500 damage. After a while the bones and pads disappear while the sword turns grey leaving the Sans vulnerable and out of dodges. Can only be used once KR
Bone Sliders One line of bones come from the back taking about half of the corridor coming up and another comes from the front going to the back taking another half of the corridor 12 Seconds KR
Bone Jumps Large lines of bones appear from the front of the corridor and go to the back (Can only be avoided by jumping or going on a pillar) 12 Seconds KR

Phase 2 End

If hit and out of dodges, he tries to parry, but the Chara Team still damages him. His eye fades to black and he stays still for a bit. Then he fades to dust.
















Phase 3

In phase 3, the Judgement Hall transforms into a black area, resembling the void, around the Chara Team. In it, Sans's soul rotates with a red aura around it and the system says,"Alphys's determination shines bright inside of Sans's SOUL." as a red aura forms around Sans's soul. After some time, Sans would appear violently shaking with lights shining on him saying, "so... this was the power of 'determination' Papyrus was talking about." "I'm surprised. Surprised someone so small could wield such great power." "But that doesn't matter. Not anymore." "That power of yours is going to become obsolete, compared to mine." "But because I am so kind..." "I'm going to share some of mine with you." Then the screen would go white and fade back to normal again while the lights that were shining on the Sans gone. With Sans wearing Swap! Papyrus's Jacket and his left eye appears with a flame coming from it. His right eye also has a colour change with his iris being yellow. When the battle starts, the system should say, "3 strikes, your out!" Everybody gets a heal again to max health. The Hall now has an orange glow to it. (Phase 2.5) Music: No Confirmed Name



Music: Slaughter In The Spotlight

Attacks Information Cool Down Special Effects
Big Blaster Big Gaster Blasters spawn in X formations, surrounding each member of the Chara Team individually. 5 Seconds KR
Bone Sliders One line of bones come from the back taking about half of the corridor coming up and another comes from the front going to the back taking another half of the corridor (Lasts longer than phase 1 and 2) doing high damage 15 Seconds KR
Blasters 2 Gaster Blasters appear on the right and left of the Sans shooting white beams wherever the Sans clicked doing huge damage 2 Seconds KR
Bone Spinners Big spinning bones in the form of an x come down in the middle of the corridor doing very big damage 17 Seconds KR
Rapid Blasters Gaster Blasters start appearing near people auto-aiming at them (1 Gaster Blaster per player) (Gaster Blasters appear individually) 8 Seconds KR

Dustswap! Papyrus's Arrival

Dustswap! Papyrus appears after 50 seconds with two holes on his chest saying,"Sans, I know you can't do this alone." "So I have decided to help you, whether you like it or not!" Then Sans would respond with,"Of course you will" The move set stays the same however.

Dustswap! Papyrus's Turn

After 100 seconds, Sans will disappear, leaving Papyrus to attack.




Attacks Information Cool Down Special Effects
Green Sliders Green bones as long as the area appear in the front going towards the back (Green is just an orange bone) 14 Seconds KR
Bone Jumps Large lines of bones as long as the area appear from the front of the corridor and go to the back 12 Seconds KR
Bone Spinners Glowing long bones appear spinning in the form of an x from the front of the area covering almost all of the map 16 Seconds KR
Bone Blaster A Gaster Blaster appears over the Papyrus and instead of firing a beam, it launches spinning bones at everybody in the Chara Team doing HUGE damage Can only be used once per life KR

Sans Reappears

148 seconds into the fight, Sans reappears and retains his moveset. At the final 200 second mark, the phase ends.

Phase 3.5

Sans stays in place as his eyes stop glowing and the purple flame in his skull stops. Then, his brother fades to dust, knowing is he powerless he flees for something that would give him tons of power...




Phase 3.5 Part 2

After running out of power, Sans makes an attempt to run to and absorb the 6 souls. Sans can be seen running up to the souls with a third hole in him. He opens the lids and absorbs them, but in the process he hesitates to absorb the Kindness Soul.

Music: WE ARE GOING TO END THIS







Phase 4

Screens would go white for a few seconds before Dusttrust! Sans appears with a new form. When in battle, he has a glow around him with red flames coming out of his skull and eyes. Has colored rings around his arms and holding a big purple axe. Before the battle starts, screens turn dark for a second every 5 seconds. Do note this phase is not canon to the real DustTrust Fight, neither to the Fanon Phase 4. This is Canon only to UnderTale: Judgement Day


Music: DIVINE TERROR

Attacks Information Cool Down Special Effects
Barrier Breaker Dusttrust! Sans swings his purple axe infront of him sending a purple slash wherever he was facing 12 Seconds None
Raikou A colour changing AoE surrounds the Sans wherever he goes 16 Seconds None
Soul Blaster A colour changing Aoe surrounds the Sans and he sticks out his hand which shoots a colour changing beam wherever the Sans is facing 9 Seconds None
Soul's Power A warning sign appears wherever the Sans clicked then a lightning strike appears exploding wherever it hit 15 Seconds None
Narukami A rainbow lightning bolt strikes where the Sans clicked, creating a giant rainbow pillar that does massive damage 7 Seconds None
Kaminari Rainbow lightning strikes in random locations, creating explosions 7 Seconds None

Walking/Idle Animation

This animation will be seen in this phase no matter what you do, whether it be the beginning of this phase of during the battle. The Sans moves around from left to right as he walks or stays still.

Death Cutscene

When the music ends, he just stands there as everything he gained from his phase 4 form goes away along with him being eyeless, and fades to dust shortly after.

Trivia

  • There was a old version of Dusttrust (old Dusttrust) that couldn't be accessible as the character/game was not finished.
    • It was removed shortly after Dusttrust's cancellation, however it came back after the Fandom revived Dusttrust by digging into Phase 3 and the End cutscene.
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