A basic monster wielding a rusty sword. Damage: 1–5, HP: 20, Level: 1. Male. His body is worn out. He has no emotions.

A basic monster with the physique of a golden-headed Cave Monster. Slightly taller than a standard Cave Monster. Damage: 3–10, HP: 35, Level: 3. Wields a rusty sword. Emotionless. Male.

The mini-boss of the first sector. Possesses a trace of emotion. He has a Cave Monster's body but wears armor on his right shoulder and a helmet on his head. HP: 50, Damage: 5–20, Level: 4. Wields a rusty sword. Male.

A common monster wearing armor on his left shoulder. He wears a helmet more powerful than the Korblox General's. He has a Cave Monster's body. Devoid of emotion. Male. HP: 65, Damage: 7–24, Level: 6. Wields a rusty sword.

A common monster with armor on both shoulders, wearing boots and gloves. He wears a faded blue cloak. Possesses a tiny bit of emotion. Wields a rusty sword. Male. HP: 80, Damage: 10–30, Level: 7.

A common monster wearing a sturdy helmet. His entire body is covered in armor. Damage: 15–25, HP: 80, Level: 8. Male. Wields a rusty sword. Has some emotion but suffers from mental instability.

The King of the Korbloxians (though he is a mini-boss). Clad in full-body armor and wearing a sturdy helmet. His boots are reinforced, and his HP is high at 110. Damage: 15–35, Level: 10. Emotionless but sensitive to pain.

The boss of Rumble Cave. He has a dragon's head with horns and is wreathed in flames. Though he wields a rusty sword, his damage is 15–115, HP is 280, and Level is ?. He speaks like a demon lord, creates a terrifying atmosphere, and is very serious. He is mentally unstable but surprisingly empathetic.