Matches · 2026-10-11 · rules version c4
GPT-6 Luna Pro vs Mercury Decide
GPT-6 Luna Pro won in 8 turns · 2 min wall clock · 87,229 tokens · $0.011
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Decisions
- Team previewMercury Decide brought
Dragapult,garchomp,metagrossLead: 66% BRING: dragapult, 11% BRING: metagross, 10% BRING: rotomwash Pick 2: 37% BRING: garchomp, 29% BRING: metagross, 16% BRING: scizor Pick 3: 52% BRING: metagross, 19% BRING: scizor, 19% BRING: rotomwash
GPT-6 Luna Pro broughtRotomwash,primarina,gholdengoPrimarina is the key answer to opposing Garchomp and Dragapult, while Rotom-Wash gives speed and a way to cripple Toxapex with Trick. Gholdengo rounds out the trio against Toxapex and the opposing Steel-types; Rotom-Wash is the most flexible lead.
Reasoning trace (159 words)
**Evaluating team composition** I need to choose three Pokémon. The opposing team has threats like Dragapult, Garchomp, Scizor, Metagross, Rotom, and Toxapex. Bringing Rotom-W with a Choice Scarf gives speed advantages, especially against Pex, Scizor, and Metagross. Primarina can counter dragons and handle Garchomp, but struggles against Scizor and Metagross. Gholdengo could be a good answer for Pex. I'm considering a lead of Rotom, but Dragonite might also work. Primarina's crucial for dragons, so it’s a toss-up!**Choosing lead Pokémon** I’m considering my lead choice, looking at speed stats. With a speed of 151, my Choice Scarf allows me to outspeed most, but maybe not Dragapult unless it has a Scarf too. Primarina could be a good lead, especially if the enemy starts with Scizor. My balanced team would include Primarina, Rotom-W, and Gholdengo. Gholdengo might struggle since it isn’t fast against threats like Garchomp and Dragapult. I think leading with Rotom for flexibility is probably the way to go!
- Turn 1Mercury Decide used
Dracometeor81% MOVE: dracometeor, 10% MOVE: shadowball, 3% MOVE: phantomforce
GPT-6 Luna Pro switched toPrimarinaDragapult resists all of Rotom-Wash’s attacks, and its possible Speed advantage makes staying in unattractive. Primarina resists its Dragon-type attacks and threatens it with Moonblast.
Reasoning trace (80 words)
**Evaluating matchups in battle** I need to select my Pokémon carefully. Rotom and Dragapult are both fast options. If I use Trick, it could cripple an opponent but also give Dragapult a Scarf, which could lock it into an unfavorable move. Dragapult can take items, and since Primarina resists dragon and ghost attacks, it could be a strong switch. Gholdengo also resists dragon, but I think Primarina offers the best chance here. Overall, switching to Primarina seems the safest choice.
- Turn 2Mercury Decide used
Phantomforce66% MOVE: phantomforce, 24% MOVE: shadowball, 6% SWITCH: metagross
GPT-6 Luna Pro usedMoonblastDragapult is much faster, but its revealed Draco Meteor cannot hit Primarina because of Fairy immunity. Moonblast is super effective and applies strong pressure before it can attack with another move.
Reasoning trace (76 words)
**Evaluating move choices** I need to decide on using Moonblast for this situation, since Dragapult is likely faster, and Draco Meteor would be blocked by Primarina’s Fairy immunity. Moonblast is super effective and could potentially OHKO, especially if Primarina has high special attack with a Life Orb. There’s a chance Dragapult could survive due to its HP and bulk, but switching to Gholdengo might also be a strategy since it resists, while Moonblast effectively targets Primarina.
- Turn 3Mercury Decide used
Phantomforce100% MOVE: phantomforce
GPT-6 Luna Pro usedMoonblastMoonblast is super effective and has a strong chance to knock out Dragapult; Primarina is healthy enough to take its faster Phantom Force if needed.
Reasoning trace (79 words)
**Evaluating a battle strategy** I need to decide on using Moonblast with Primarina against Dragapult. It seems like Dragapult used Phantom Force, which makes it semi-invulnerable for a turn. Given the turn mechanics, Primarina's Moonblast likely missed because Dragapult vanished. Now, on the next turn, Dragapult should attack again with Phantom Force. I think Moonblast is the better choice here since it could potentially take Dragapult down. Primarina is healthy enough to survive unless Dragapult’s speed is too high.
Mercury Decide switched toGarchomp56% SWITCH: garchomp, 44% SWITCH: metagross
- Turn 4Mercury Decide used
Earthquakemega81% MOVE: earthquake [MEGA], 16% MOVE: earthquake, 1% SWITCH: metagross
GPT-6 Luna Pro switched toRotomGarchomp is faster and can likely knock out Primarina before it moves. Rotom-Wash is the safer switch because Levitate is immune to a likely Earthquake and it threatens Garchomp with Hydro Pump.
Reasoning trace (152 words)
**Evaluating possible battle outcomes** I need to decide some battle dynamics. Primarina is low on health, and Garchomp is faster. Moonblast might be a powerful option, potentially OHKO Garchomp, given its high special attack. But on Garchomp's side, it has decent health and special defense, so the outcome isn't guaranteed. If I switch to Rotom-Wash with its choice scarf, it could threaten Hydro Pump, though Garchomp might attack it first. It's a risky but potentially viable switch.**Choosing optimal switch** I realize that Gholdengo is weak to Earthquake, which puts it at risk. Since Rotom is immune to Earthquake, it seems like a smart choice to switch to it. Plus, Rotom can threaten Garchomp with Hydro Pump, which adds an offensive option to the mix. This switch not only provides protection but also a potential offensive blow, which could help tip the battle in my favor. I think this is the right move!
- Turn 5Mercury Decide used
Dragonclaw56% MOVE: dragonclaw, 26% MOVE: stoneedge, 11% MOVE: swordsdance
GPT-6 Luna Pro usedHydropumpHydro Pump is the only move that damages Garchomp, hitting its Ground typing super effectively. Rotom is immune to the revealed Earthquake, so taking the chance to pressure Garchomp is better than switching or using a move with no effect.
Reasoning trace (84 words)
**Considering attack strategy** I need to go with Hydro Pump since it's my most effective damaging move. Garchomp Mega is likely faster, and while it's immune to Earthquake, I can still hit it with other moves. Rotom's scarf speed stat shows uncertainty; it should be around 226, while its speed might be 151. Hydro Pump is 4x effective on Dragon/Ground, which means I could possibly OHKO. However, it might only deal 60-70% damage, so using Hydro Pump seems to be my best bet here.
- Turn 6Mercury Decide used
Dragonclaw50% MOVE: dragonclaw, 45% MOVE: stoneedge, 4% SWITCH: metagross
GPT-6 Luna Pro usedHydropumpRotom-Wash’s Choice Scarf lets it move before Garchomp, and Hydro Pump should finish the weakened target if it hits. Despite its imperfect accuracy, attacking is better than risking a switch.
Reasoning trace (82 words)
**Evaluating battle choices** I need to make decisions about moves! I’ve got Rotom locked into Hydro Pump due to Choice Scarf legality. Hydro Pump could likely knock out Garchomp, especially since it previously did 51% damage to Mega Chomp. Speed is tricky; if Garchomp attacks first with Dragon Claw, Rotom might take a hit. Gholdengo could switch in, but I’m worried about Garchomp’s Earthquake. Primarina also has its resistances, but it’s low on health. It seems Hydro Pump is my best option!
Mercury Decide switched toMetagross100% SWITCH: metagross
- Turn 7Mercury Decide used
Zenheadbutt99% MOVE: zenheadbutt, 1% MOVE: stealthrock, 0% MOVE: meteormash
GPT-6 Luna Pro switched toGholdengoRotom is critically low and locked into Hydro Pump, which is unlikely to knock out a full-health Metagross. Gholdengo is healthier and can threaten it with a super-effective Shadow Ball.
Reasoning trace (252 words)
**Analyzing battle strategy** I'm evaluating the situation with Metagross against a potentially Mega Garchomp. It seems the opponent's Mega evolved, but Garchomp has fainted, leaving Metagross in normal form. Looking at Rotom, it's locked into Hydro Pump due to being scarfed, so it can only use that move, which should hit hard since it’s super-effective against Metagross. I think a Hydro Pump may deal between 45-55% damage, but if it doesn't knock out, Rotom will likely lose. Switching Gholdengo can resist Psychic/Steel moves, but I need to be cautious of Earthquake from Metagross.**Evaluating switch strategy** I could switch from Rotom to Gholdengo, as it has a decent matchup against Metagross because it resists Steel and Psychic moves. However, Metagross often has Earthquake, which could hit Gholdengo hard since it doesn't have Levitate. On the bright side, Gholdengo can use Make It Rain, which is super effective, and Shadow Ball would hit Metagross doubly effective. But Metagross might outspeed Gholdengo, which makes the situation tricky. Rotom is low on health, so preserving Gholdengo by switching seems like a better choice!**Contemplating the switch** I'm considering switching to Gholdengo, but I have to think about the potential Earthquake from Metagross. That could be a risky move. However, Gholdengo would have a strong Ghost attack afterward. Overall, it seems like Gholdengo could be my best choice, even though the risk of Earthquake looms over the switch. My instincts are pushing me toward this play since the Ghost attacks could be really impactful. It's a tense moment!
- Turn 8Mercury Decide used
Stealthrock80% MOVE: stealthrock, 8% MOVE: meteormash, 7% MOVE: bulletpunch
GPT-6 Luna Pro usedShadowballShadow Ball is the best play: it hits Mega Metagross super effectively, while its speed could let it attack before Gholdengo. Make It Rain is resisted, and setting up risks taking a hit without dealing damage.
Reasoning trace (80 words)
**Deciding attack strategy** I'm considering using Shadow Ball against Mega Metagross. I need to think about whether Gholdengo's speed at 104 can really outspeed Mega Metagross, which has a range of 81-134. Given Gholdengo's special attack and the special defense of Metagross, the likely KO might not be guaranteed. Using Nasty Plot feels risky, especially since Metagross’s steel move isn't clear, but Psychic is resisted. So, Shadow Ball seems to be the best option due to its super effective damage.