Armor mods

Armor mods are gameplay enhancements featured in Halo 5: Guardians. They are prominently featured in the Warzone gamemode as REQ upgrades unlockable via the requisition system for use in a player's loadout, and in the co-operative campaign of the game. In co-op, the various upgrades are used by the co-op Spartan NPC characters, as a way to differentiate the individual members of Blue Team and Fireteam Osiris.

Armor mods are similar to the support upgrades and tactical packages introduced in Halo 4's multiplayer.

Overview

Campaign

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Multiplayer

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Four armor mods were added to Halo 5: Guardians over the course of the game's expansions:

Death From Above - added in Hammer Storm.
Grenadier - added in Ghosts of Meridian.
Wheelman - added in Memories of Reach.
Patrol Case - added in Warzone Firefight.

List of mods

Name	Rarity	Energy Cost	Description
Advanced Sensors	Common	energy	Motion tracker is now compatible with Smart-Link, and both range and sensitivity is enhanced. In addition, you are harder to detect on enemy Motion Trackers.
Auto-Medic	Common	energy	Increased shield recharge rate and health recovery.
Death From Above	Uncommon	energy	Upgraded stabilizers with increased hang time and full stall. In addition, the Ground Pound attack charges faster and has increased damage, knockback, and launch speed.
Upgraded Shields	Uncommon	energy	Increased shield strength.
Frag Grenade Expert	Rare	energy	Start play with 3 Frag Grenades. Your maximum Frag Grenade capacity is increased.
Grenadier	Rare	energy	All of your grenades are extra-powerful. As a safety precaution, you also take reduced damage from grenade explosions.
Reflex Enhancers	Rare	energy	Increased weapon handling speed and you can reload while sprinting.
Splinter Grenade Expert	Rare	energy	Start play with an additional Splinter Grenade. Your maximum Splinter Grenade capacity is increased.
Wheelman	Rare	energy	Any vehicle you are seated in quickly recovers from EMP effects and has increased damage resistance. Damage resistance stacks for each passenger using Wheelman.
Patrol Case	Ultra Rare	energy	You carry additional ready and reserve ammo for all loadout weapons. Requisition weapons have increased ammo reserves if you equip the same weapon twice.
Plasma Grenade Expert	Ultra Rare	energy	Start play with an additional Plasma Grenade. Your maximum Plasma Grenade capacity is increased.
Speed Booster	Ultra Rare	energy	Increased movement speed and jump height.
Upgraded Thrusters	Ultra Rare	energy	Reduced cooldown on thruster evade. Faster sprint and can recharge shields when running.
Increased Strength	Legendary	energy	Extra melee and Spartan charge damage. Your Spartan Charge has extra range.