Zack is filled with bravado and swagger. He is tough and cool on the exterior but has many layers beyond his fearless appearance. Zack advertises everything about himself, except the truth, which makes him feel deeply inferior to all his peers.[1] Zack struggles with the stress of his mother's illness, and he often camps out in the wilderness and decommissioned train cars near his home, deeply terrified of waking up to find his mother dead, and so tries to live life far from home. Despite this tendency to avoid home, he truly loves his mother, often speaking to her in Chinese, playing chess with her by her side, and doing everything he can to take care of her. However, Zack's public image is anything but that of the dutiful son that he is. In his public life, Zack is cocky, rebellious, and eager for a life unlike his own. He is hyperactive, boisterous, and fun-loving. He also has something of a combative side, as he and Jason come to blows when Zack nearly kills the team while test-driving the Mastodon Zord in the mountains. In the end, the two are in awe of B Power Ranger Physiology: After receiving his Black Ranger power coin, Zack gained the following superpowers that are possessed by Rangers in general: Superhuman Strength: Zack's strength is enhanced to superhuman level. Superhuman Leaps: Zack's Power Rangers-level superhuman strength enable him to jump higher than any regular humans, shown when he leaped over a large abyss. Superhuman Durability: Zack's bodily tissues are substantially enhanced by his Power Coin to the point that he cannot be physically harmed by ordinary humans. Wall Climbing: Zack's Power Rangers-level superhuman strength improved his grip so that he is now able to climb faster and better than regular humans, as he is now capable of scaling a steep cliff in mere seconds. Morphing: Zack, upon acquiring superpowers bestowed by his Power Coin, is capable of morph into his ranger form by forming a suit of powerful black armor around his body