Guts (Naviathan) @ Flame Orb  
Ability: Guts  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Wave Crash  
- Heavy Slam  
- Wild Charge  
- Protect  

Bulky Guts (Naviathan) @ Flame Orb  
Ability: Guts  
Tera Type: Water  
EVs: 252 HP / 116 Def / 140 SpD  
Careful Nature  
- Dragon Dance  
- Wild Charge  
- Heavy Slam  
- Slack Off  

Body Press (Naviathan) @ Leftovers  
Ability: Heatproof  
Tera Type: Water  
EVs: 252 HP / 252 Def  
Impish Nature  
- Body Press  
- Iron Defense  
- Waterfall  
- Slack Off  

Loaded Dice (Naviathan) @ Loaded Dice  
Ability: Guts  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Scale Shot  
- Icicle Spear  
- Wave Crash  
- Heavy Slam  

Choice Specs (Naviathan) @ Choice Specs  
Ability: Heatproof  
Tera Type: Water  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Steel Beam  
- Hydro Pump  
- Ice Beam  
- Hurricane  

Phys Wall (Naviathan) @ Rocky Helmet  
Ability: Guts  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Iron Defense  
- Body Press  
- Slack Off  
- Feather Dance  

AV Bulky (Naviathan) @ Assault Vest  
Ability: Heatproof  
Tera Type: Water  
EVs: 152 HP / 224 Atk / 72 Def / 12 SpD / 48 Spe  
Serious Nature  
- Icicle Crash  
- Waterfall  
- Heavy Slam  
- Wild Charge  

Choice Band (Naviathan) @ Choice Band  
Ability: Guts  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Crunch  
- Heavy Slam  
- Wild Charge  
- Wave Crash  

Lorb DDance (Naviathan) @ Life Orb  
Ability: Guts  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Wave Crash  
- Heavy Slam  
- Wild Charge