Carapace

From The StarCraft 2 Wiki

Carapace is a defensive upgrade that is available for the Zerg that enhances the armor rating of all ground walking units. Each upgrade is accumulative and automatically adds to the base armor.

Contents 1 StarCraft II 1.1 Costs 1.2 Affected Units 2 StarCraft I 2.1 Costs 2.2 Affected Units

[edit] StarCraft II

[edit] Costs

The research time for each armor upgrade has been reduced considerably since StarCraft I.

Upgrade Level	Mineral Cost	Gas Cost	Research Time
Level 1	150	150	140
Level 2	225	225	170
Level 3	300	300	200

[edit] Affected Units

The Zerg in StarCraft II have 13 units that can benefit from the Carapace upgrade:

StarCraft II Unit	Armor Bonus *
Drone	+1
Larvae	+1
Egg	+1
Zergling	+1
Baneling	+1
Roach	+1
Hydralisk	+1
Lurker	+1
Infester	+1
Ultralisk	+1
Queen	+1
Infested Terran **	+1
Broodling ***	+1

* The armor bonus is accumulative per each upgrade level.
** Infested Terrans are automatically created when an Infester infests a Terran stucture.
*** Broodlings are spawned when the Swarm Guardian attacks an enemy unit.

[edit] StarCraft I

[edit] Costs

Each armor upgrade from the Evolution Chamber costs an extra 75 , 75 and 32 , and a max level of 3 in the open multiplayer.

Upgrade Level	Mineral Cost	Gas Cost	Research Time	Icon
Level 1	150	150	266
Level 2	225	225	298
Level 3	300	300	330

[edit] Affected Units

The current StarCraft I units that receive a benefit from the Carapace upgrade include:

StarCraft I Unit	Armor Bonus *
Drone	+1
Larvae	+1
Egg	+1
Zergling	+1
Hydralisk	+1
Lurker	+1
Ultralisk	+1
Defiler	+1
Infested Terran **	+1
Broodling ***	+1

* The armor bonus is accumulative per each upgrade level.
** Infested Terrans can be created when a Queen infests a Terran Command Center.
*** Broodlings are spawned when the Queen uses the Spawn Broodling ability on an enemy unit. link title