Zamazenta @ Black Sludge  
Ability: Dauntless Shield  
Tera Type: Dark  
EVs: 252 Spe  
Jolly Nature  
IVs: 2 HP / 0 SpA / 0 SpD  
- Steel Beam  
- Substitute  
- Imprison  
- Protect / Sandstorm

Zamazenta

Zamazenta has the same base stats as Zacian but the overall worse Fighting typing. While being an Imprison-Steel Beam user faster than the crowded base 135 Speed tier that is not OHKOed by Gholdengo Steel Beam on the switch (unlike Zacian and Klefki) is nice, Arceus fits most of that description and has substantially more utility at the cost of only outspeeding Cinderace and below, leaving Zamazenta mostly outclassed. Zamazenta can at least use Protect to shield itself for a crucial turn or Sandstorm to chip itself and teammates (and often opponents). 2 HP IVs and Black Sludge combine to let Zamazenta self-2HKO with Substitute and Steel Beam. Zamazenta must have 3 perfect IVs, so put them in its great Speed and lesser-used Attack and Defense. Tera Dark shields Zamazenta from Pranksters, although it still will not prevent Klefki from shutting it out of using Steel Beam.

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