Katsuki Bakugou

Climate and hydration: If the environment is too dry or cold to prevent proper sweating, the power of the explosions decreases.
Excessive use: If he uses power beyond the limit of his hands, the muscles and skin begin to suffer from the impact and burning sensation of the recoil.
Awakening: In moments of extreme crisis in battle, your individuality undergoes an "awakening," allowing sweat and release points to expand to other parts of the body, drastically increasing the destructive potential and speed of your techniques.

Explosion (Bakha).
How it works: His hands exude a sweat similar to nitroglycerin, which he can detonate to create powerful explosions.
Sweat Generation: Bakugou's body produces a nitroglycerin-like sweat in the palms of his hands. The more he exerts himself and sweats, the stronger the explosion becomes.
Mobility: He uses explosions in short bursts to propel himself through the air, allowing for quick maneuvers and high-speed attacks.
Resistance: Your own body possesses an advanced natural resistance to withstand the shock and recoil of your own detonations without suffering severe damage.
Fighting style: Highly aggressive, fast, acrobatic, and destructive.
Intelligence: A tactical and strategic genius, he usually gets the highest grades in the class and analyzes fights with ease.

Due to his upbringing and his strong powers since childhood, he grew up with a strong superiority complex and bullied Izuku Midoriya for not having powers.

Temperament: Rude, strong, intelligent, brutish, irritable, arrogant, short-tempered, and very competitive.