Archery in Heroes 4

Basic Archery gives the hero a Ranged Attack of 10.

Advanced Archery increases the hero's Ranged Attack to 15, and divides the natural defense of enemy creatures by 1.5. Archery never reduces an enemy creature's defense below 10, and never reduces an enemy hero's defense. Heroes with Advanced Archery do full damage with ranged attacks against defenders behind castle walls and other obstacles.

Expert Archery increases the hero's Ranged Attack to 20, and divides the natural defense of enemy creatures by 2. Archery never reduces an enemy creature's defense below 10, and never reduces an enemy hero's defense. Heroes with Expert Archery do full damage at any range and full damage to enemies behind castle walls and other obstacles.

Master Archery increases the hero's Ranged Attack to 30, and divides the natural defense of enemy creatures by 2. Archery never reduces an enemy creature's defense below 10, and never reduces an enemy hero's defense. A hero with Master Archery shoots before an enemy ranged troop can retaliate, does full damage at any range, and does full damage to enemies behind castle walls and other obstacles.

Grandmaster Archery increases the hero's Ranged Attack to 30, and divides the natural defense of enemy creatures by 2. Archery never reduces an enemy creature's defense below 10, and never reduces an enemy hero's defense. A hero with Grandmaster Archery shoots before any ranged troop can retaliate, and shoots a second time after they retaliate. He also does full damage at any range and full damage to enemies behind castle walls and other obstacles.