ChatGPT Matchup Summary (Win Condition and Game Plan)
Ness is strongest when PK Fire or Neutral Air gets the first touch, because the next sequence can already become grab, Up Air, or the Yo-Yo ledge trap. If Byleth lets that first stop happen for free, the matchup shifts into the exact close-range scramble Ness wants.
The stable plan is to keep Forward Tilt, Forward Air, and Neutral Air at tipper range, make PK Fire miss with retreating movement, and punish the landing or the PK Thunder recovery instead of contesting PSI Magnet with more arrows. Once Ness is offstage, the recovery route is much more exploitable than the ledge trap is from the front.
The table shows reliable shield punishes on Up Smash, Up B (2), Side B, Up B (1), and Forward Smash, with OOS Nair, Up B, Grab, and OOS Uair available when Ness spends a big ledge or shield-pressure option.
Neutral Air, Back Air, and Up Air are still not the places to mash. It is safer to take the landing route or ledge route first than to feed another juggle or close-range starter.
Full Move Frame Quick Reference
| Opponent Move | Startup | On Shield | Byleth OOS Candidate Moves | Barely Missed Moves |
|---|---|---|---|---|
| Jab 1 | 3 | -13 |
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| Jab 2 | 3 | -13 |
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| Jab 3 | 6 | -18 |
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| Forward Tilt | 7 | -17 |
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| Up Tilt | 5 | -14/-16 |
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| Down Tilt | 3 | -3/-4 |
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| Dash Attack | 8/15/23 | -10 |
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| Forward Smash | 21 | -21/-20/-19 |
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| Up Smash | 10 | -33 |
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| Down Smash | 12/17/23/31 | -21/-7 |
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| Neutral Air | 5 | -3/-5 |
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| Forward Air | 8…/20 | -10/-9 |
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| Back Air | 10 | -4/-6 |
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| Up Air | 8…/15 | -6/-5 |
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| Down Air | 18 | -7/-8 |
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| Neutral B | 40—117 | -4 to +11 |
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| Side B | 18 | -28 |
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| Up B (1) | 20 | -22 |
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| Up B (2) | 1 | -33 |
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| Down B | 7 (7 is start of absorb) | -12 |
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| Grab | 6 | — | ||
| Dash Grab | 9 | — | ||
| Pivot Grab | 10 | — |
Win Condition Checklist
- Do not let PK Fire pin you in place; keep the tipper wall active and make the first projectile miss.
- After blocking Up Smash, Up B (2), Side B, Up B (1), and Forward Smash, answer immediately with OOS Nair, Up B, Grab, or OOS Uair.
- Do not mash after Neutral Air, Back Air, or Up Air; take the landing route, escape route, or ledge route first.
- Finish stocks by punishing PK Thunder recovery and narrowed ledge routes instead of brawling into Ness’s close-range chains.
Actions to Avoid
- Letting PK Fire stop you in place and giving Ness the grab or Neutral Air starter for free.
- Forcing more arrows into visible PSI Magnet instead of tracking Ness’s body movement.
- Mashing after every blocked Neutral Air, Back Air, and Up Air and feeding another juggle or landing trap.
- Challenging the Yo-Yo ledge trap head-on instead of pushing Ness toward the weaker offstage recovery route.