Imperial Agents Β· detachment

Imperial Agents: Ordo Xenos Alien Hunters Detachment Guide (11th Edition)

The xenos-purging strike force β€” flexible mission tactics that retune your killing power against alien threats each turn.

11th editionRules checked July 13, 2026

SprueSentry strategy commentary for 11th edition, not official rules. Games Workshop updates points and rules regularly β€” always confirm against the current official rules and your latest dataslate before a game.

Ordo Xenos Alien Hunters leans on the Inquisition's alien-hunters and their Deathwatch allies, and its identity is adaptability: a rotating mission-tactic buff you re-select each turn to match the enemy in front of you. It's a character-and-elite detachment rather than a horde, so it plays best when you have a specific matchup problem to solve. This is SprueSentry commentary, not the official rules text β€” the exact keywords, unit eligibility and any anti-xenos riders live in the current faction pack and the 40k app, and can change with dataslates.

Detachment rule in brief

The core mechanic is a flexible mission-tactic selection: at the start of each Command phase you pick one of a short menu of combat buffs β€” reviewers cite options along the lines of Sustained Hits, Lethal Hits or critical-wound precision β€” that then applies to your relevant units (historically Deathwatch) until your next Command phase. The point is turn-by-turn adaptation: pick the tactic that best answers the target you most need to kill this round. Exact keywords and which units benefit should be confirmed in the pack; treat this summary as directional.

Why you'd play it

This detachment is for players who value flexibility and who expect to face a variety of targets. Being able to swap your damage profile each turn β€” more shots, more reliable wounds, or precision β€” lets you tune to the moment instead of being locked into one trick. It suits an elite, quality-over-quantity playstyle where a handful of well-supported units need to hit above their weight. It is at its best when the mission-tactic menu lines up with the enemy you're fighting.

Key pieces and support

You want units that actually carry the mission-tactic keyword so the buff lands where it matters, plus an Inquisitor to anchor and add utility. Character assassins and durable bodies round out the list β€” the buff makes your shooters and fighters efficient, but you still need screens and objective-holders, which this detachment doesn't naturally provide. Consider pairing it, in a wider Imperium collection, with tougher line units. Verify current unit eligibility in the 11th-edition pack before committing.

How to play it

Read the board at the top of each turn and pick the tactic that maximises your key kill: shots-heavy tactic into hordes, wound-reliability into tough targets, precision when you need to pick out a character. Position your buffed units so the tactic pays off the same turn β€” don't waste a precision turn on a unit that can't reach a valuable target. Because you're light on bodies, be disciplined about objectives and don't let a strong damage turn tempt you into an over-extension your fragile force can't survive.

Common questions

What does the Ordo Xenos detachment rule do?

It gives you a flexible mission tactic you choose each Command phase β€” options broadly along the lines of extra hits, more reliable wounds, or precision β€” applied to your eligible units until your next turn. It's a turn-by-turn adaptability tool. The exact menu and which units it affects are things to confirm in the current faction pack and app rather than assume from memory.

Is this a good standalone detachment?

It's a capable elite/toolbox detachment but light on bodies, so a pure Ordo Xenos army can struggle to hold objectives. It shines most when its adaptable buff answers a specific enemy, and it's often better appreciated when its units are supported within a wider force. Weigh it against Imperialis Fleet if you want a standalone army with more board presence.

Can I ally these units into another army?

Yes β€” the individual units can be brought via Assigned Agents, but you only get the mission-tactic detachment rule if you run Ordo Xenos as your detachment. As allies they're usually taken for their datasheet abilities, not the detachment buff. See the [Imperial Agents army guide](/40k/armies/imperial-agents/guide) for how allying works.

Rules sources

Written by SprueSentry with SprueSentry editorial (hand-authored, research-grounded), grounded in the cited sources β€” original commentary, not Games Workshop rules text.