It took John two weeks to create a huger squad, the maids involved in the battle about 10 other creatures both werewolves and vampires. In those two weeks, John kept training Abigail who was making amazing progress day by day, growing in strength and controlling her powers and her instincts almost perfectly. Her body also was slowly getting used to human blood and her craving were drastically reducing.
So John asked Abigail to join his squad and she accepted, Abigail had always been a kind soul who always wanted to help other people.
Although when John mentioned Sharon she seemed quite hesitant and full of resentment, after she thought about it for about one hear she stated with confidence and undoubtful, "I will do it."