Sakura Haruno

After struggling to protect Naruto and Sasuke during the Chuunin Exam, Sakura resolves to become a stronger ninja and cuts her long hair as a sign of that commitment. Following the time skip, she becomes a chuunin and a highly skilled medical ninja after two years of training under Tsunade. Her chakra control also develops into tremendous physical strength, and she becomes capable of complex surgery and creating an antidote to Sasori's poison.