How to Use the Dark Knights in Kingdom Rush Vengeance TD+

The Dark Knights tower in Kingdom Rush Vengeance TD+ is a specialized, high-armor barracks designed to halt heavy physical attackers and mini-bosses. Unlike standard three-soldier barracks like the Orc Warriors Den, the Dark Knights deploy only two heavily armored units. This low unit count means they excel at isolating dangerous single targets rather than stopping swarms.

To use them effectively, position them inside concentrated magic or artillery kill zones, adjust their rally point to fight directly under your damage towers, and upgrade their survivability skills before investing in offensive traits.

Tier 4 Skill Upgrade Priority

Once you upgrade the Dark Knights to Tier 4, allocate your gold based on the incoming wave composition rather than buying abilities at random.

Ability	Effect	Priority Order and Use Case
Dark Pact	Grants brief temporary invulnerability upon taking fatal damage.	First Priority: Purchase immediately against heavy bruisers and mini-bosses to buy maximum stall time.
Shield of Retribution	Reflects a percentage of incoming physical damage back to attackers.	Second Priority: Purchase against fast-hitting melee enemies to deal steady passive return damage.
Brutal Strike	Grants a fixed chance on hit to instantly execute non-boss targets.	Third Priority: Reserve for late waves to eliminate dense, high-health ground infantry.

Unlocking Dark Pact first gives the greatest defensive return on investment. The invulnerability window ensures your knights stay upright long enough for your ranged damage towers to kill threatening melee targets.

Placement and Rally Point Management

Because the Dark Knights deal limited base damage and can engage only two enemies simultaneously, poor placement will cause lane leaks.

Anchor at lane bends and intersections: Build on sharp turns or converging lanes where enemies naturally group up.
Overlap with splash damage: Set the rally flag directly inside the firing radiuses of area-of-effect towers such as the Melting Furnace or Goblin Rocket Riders.
Keep fights behind ranged lines: Avoid building Dark Knights near enemy spawn gates. Position them further down the lane so ranged towers can soften waves before elite units reach your blockers.
Adjust flags dynamically: Pull the rally circle backward toward your defenses when mini-bosses arrive, ensuring the duel happens squarely within range of your highest damage dealers.

Synergies and Damage Pairing

Pair Dark Knights with towers and heroes that compensate for their low unit count and lack of ranged attack:

Specters Mausoleum: Provides magic damage to pierce armored foes stalled by the knights while using Possession to turn crowd density against itself.
Infernal Mage: Melts high-armor targets held stationary by your frontline via continuous beam damage.
Melting Furnace: Deals explosive splash damage and burning ground effects to burn down crowds that cluster around the two knights.
Ranged Heroes: Station heroes with crowd control or ranged burst, such as Vez'nan or Mortemis, safely behind the knights to cast spells while the frontline absorbs incoming hits.

Handling Dark Knight Weaknesses

The Dark Knights struggle against two specific encounter profiles:

Magic Damage: Enemy spellcasters and magic-based ranged units completely bypass the knights' heavy physical armor. Intercept caster waves with aggressive hero skills or burst them down with long-range magic towers before they engage your frontline.
Swarm Saturation: Fast runners, weak swarms, and flying units will walk past the two knights while they are locked in combat. Always back the Dark Knights with artillery or area-of-effect towers to clear light infantry, leaving your two juggernauts free to block elite bruisers.