The Violent Reef

Shelby is and MMA fighter along with her three siblings and participates in fights with humans and supernatural beings like her. The only thing is, she cannot fight against females as they are too weak for her, she has to fight against the strongest alphas as she does not hold back her strength. She is first born of her siblings but they are all alphas, MMA fighters and licensed killers. Their father, Merric Lynx made sure of it because they had to protect each other and their pack. They never backed down from a fight but what most of their counter parts do not know is they are hybrids, except for Izzy, she is a witch. Her brother Orien is both wolf and witch, Jacob (second oldest) is wolf with witchy tendencies. When Jacob and Shelby are in competition in Asia their pack was attacked. She was fighting an alpha when she felt her packs tethers snap, she worked through the pain but the alpha she was fighting new what was happening to her as he felt it too, only difference was his mate lost her life. They fought but she won while she did not know he was going through the same thing. He helped her and her brother once the fight was over. 
Will they become friends, alliances, mates? Who is this kind alpha, will they ever meet? Why did their tethers snap and who is alive and who died? 
A must read to find out who is behind all this mayhem and killings.