Serena

She is a fusion between Lucario and Shiny Lycanroc and she is my pokesona

Type: Rock/Fighting

Damaged Normally by:  
- Flying
- Ghost
- Electric
- Ice
- Dragon  
(This Pokemon takes 1x damage to all of these Types.) 

Weak to:  
- Fighting
- Ground
- Steel
- Water
- Grass
- Psychic
- Fairy  
(This Pokemon does not have a 4x weakness. This Pokemon takes 2x damage from all of these Types.) 

Immune to:  
- None
(This Pokemon is not immune to any Type.) 

Resistant to:
- Normal
- Poison
- Rock
- Bug
- Fire
- Dark
(This Pokemon takes 1/2x damage to all of these Types.) 

Moves:
- Accelerock
- Aura Sphere
- Thunder Punch
- Crunch

Ability:
- Steadfast


As far as her STAB moves go, here's how they would work out:(Note: STAB is short for Same Type Attack Bonus)

Rock Type Moves are Strong Against:  Bug, Fire, Flying, Ice 

Rock Type Moves are Resisted By:  Fighting, Ground, Steel 

Rock Type Moves Do Not Affect:  No Type has a Rock Type Immunity 

Fighting Type Moves are Strong Against: Dark, Ice, Normal, Rock, Steel 

Fighting Type Moves are Resisted By: Bug, Fairy, Flying, Poison, Psychic 

Fighting Type Moves Do Not Affect: Ghost