Infantry

Infantry are upgraded Militia and usually the backbone of your army. They excel in defending against ranged attacks and fighting most enemies. They are well suited for offensive and defensive maneuvers. However, they are vulnerable to Brutes, other large groups of melee enemies if on their own and are highly vulnerable if single troopers accidentally spread out of the formation and get attacked alone. They also cannot blocked ranged attacks if they are engaged in combat.

They can be upgraded to Veteran for 12 coins and Elite for 20 coins. Both ranks giving Infantry more armour, damage, and slightly larger shields. Elite units can take an additional hit in melee before dying making them far more resilient. Due to their damage and armour, Elites can go toe to toe with even the Dual Wielders.

Infantry's unique ability is Plunge, which allows them to jump from cliffs and deal significant damage to enemies below.

Strengths

 * Perform well against any type of enemy in melee combat.
 * Equally well suited for offensive and defensive maneuvers.
 * Can block ranged attacks. (Do note that they can sometimes be head shotted.)
 * With a Bomb or Warhammer and plunge they can be made into a particularly mobile and versatile offensive threat which can handle most enemy types. With Plunge or an offensive item they can also defeat large crowds of enemies quite easily making them a particularly useful offensive threat.

Weaknessess

 * Can't block attacks when engaged with melee units. This means attacks from multiple direction will damage them badly.
 * Perform rather badly against Brutes (This can be temporarily negated with a level 2 plunge).
 * Upgrading them to become strong offensive units takes upto 38 coins.
 * Requires careful timing to pull off offensive maneuvers.
 * Plunge can't be used on maps without any form of elevation.

Recommended traits

 * Ironskin - Benefits from reduced damage as they are often in combat.
 * Rousing Speeches - Allows them to replenish faster, greatly beneficial due to them often being in combat.
 * Mountain - Makes the most use of the brute commander as they fight among the troops in melee.
 * Sharp Weapons - Benefits from the increased damage and do not benefit as much from knockback as the other unit types do.
 * Popular/Ring of Command - Increased manpower makes the unit last longer before needing to replenish.
 * Fleet of Foot - Benefits from increased maneuverability that allows them to relocate faster.

Recommended items

 * Philosopher's Stone - Infantry can be used in any map so this item is best reserved for units that would benefit better from other items.
 * War Horn - Allows instant replenishment of Infantry in the field, very useful due to them often being in combat.
 * Jabena - Very useful for players who split their commanders to defend multiple islands in one turn, as it allows the same Infantry unit to be deployed twice in one turn.

Gallery
*Source: http://badnorth.wikidot.com/infantry