Hariyama (M) @ Flame Orb  
Ability: Guts  
Level: 50  
Tera Type: Grass  
EVs: 12 HP / 236 Atk / 164 Def / 4 SpA / 92 SpD  
Brave Nature  
IVs: 0 Spe  
- Close Combat  
- Fake Out  
- Heavy Slam  
- Knock Off

Unown
Defensive calcs:
- 252+ Atk Guts Hariyama Close Combat vs. 12 HP / 164 Def Hariyama: 189-223 (85.5 - 100.9%) -- 6.3% chance to OHKO
- 252+ Atk Life Orb Kingambit Iron Head vs. -1 12 HP / 164 Def Hariyama: 179-212 (80.9 - 95.9%) -- 12.5% chance to OHKO after burn damage
- 252 SpA Life Orb Hydreigon Draco Meteor vs. 12 HP / 92 SpD Hariyama: 185-218 (83.7 - 98.6%) -- guaranteed 2HKO
Offensive calcs:
- 236+ Atk Guts Hariyama Close Combat vs. 4 HP / 0 Def Tera-Fire Hydreigon: 172-204 (102.3 - 121.4%) -- guaranteed OHKO
- 236+ Atk Guts Hariyama Knock Off (97.5 BP) vs. 4 HP / 0 Def Gholdengo: 178-210 (109.2 - 128.8%) -- guaranteed OHKO
- 236+ Atk Guts Hariyama Heavy Slam (100 BP) vs. 252 HP / 124 Def Grimmsnarl: 208-246 (102.9 - 121.7%) -- guaranteed OHKO