Artur Beterbiev's 100% knockout rate is a rare and remarkable feat in boxing, and it stems from a combination of factors that set him apart. Here are the secrets behind his knockout power and success:

### 1. **Physical Strength and Power**

Beterbiev is known for his raw, natural power. His punches have knockout potential from the first to the last round. This power is a product of both his physical strength and the technical ability to generate force from his entire body into each punch. His background in combat sports like wrestling and sambo also contributed to building this strength.

### 2. **Relentless Pressure**

Beterbiev’s fighting style is aggressive and pressure-heavy. He cuts off the ring effectively, forcing his opponents to fight in uncomfortable positions. By constantly advancing and staying in close range, Beterbiev limits his opponents' opportunities to move or counter, wearing them down over time.

### 3. **Technical Mastery**

Though Beterbiev is known for his power, he also possesses a high level of technical skill. His ability to place punches with precision and exploit openings in his opponents' defense is key to his knockout success. His balance, footwork, and punch timing allow him to consistently land clean, powerful shots that lead to knockouts.

### 4. **Punch Variety and Accuracy**

Beterbiev doesn’t rely on just one type of punch to finish fights. He mixes his combinations well, throwing jabs, hooks, uppercuts, and body shots with deadly accuracy. His ability to go to the body is a key element in breaking down his opponents, often leading to late-round stoppages.

### 5. **Durability and Toughness**

Part of Beterbiev's knockout success is his own ability to absorb punches and keep moving forward. His toughness in the ring means that he’s willing to take risks, endure punishment, and stay in the fight until he can find the moment to deliver a knockout blow.

### 6. **Amateur Background**

Beterbiev had an extensive and successful amateur career, winning multiple international tournaments and representing Russia in the Olympics. This high-level amateur experience honed his boxing fundamentals, giving him a strong technical base and teaching him how to break down various styles of fighters.

### 7. **Mentality and Killer Instinct**

Beterbiev’s mindset plays a huge role in his knockout streak. He fights with an intensity and focus that doesn’t wane throughout the fight. His willingness to push for the finish, even when he’s ahead on points, shows his killer instinct and desire to dominate completely.

### 8. **Conditioning**

Despite his power, Beterbiev maintains an incredible level of conditioning that allows him to throw heavy punches deep into fights. His conditioning also helps him maintain his pressure throughout all rounds, wearing his opponents down both physically and mentally.

Beterbiev's combination of raw power, technical skills, relentless pressure, and mental toughness have made him one of the most feared fighters in boxing. This lethal combination explains how he has managed to maintain a perfect knockout record.