地面戰

戰爭

戰爭

太空戰

地面戰

Wars are not decided only in space. In order to capture enemy planets, entire armies will be needed, along with the preparation and battlefield awareness to properly use them. However planets may only be invaded if the system's starbase has been occupied.

Combat

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Although secondary to space battles, ground warfare is a vital aspect of many wars.

Ground combat takes place between the planet owner's defense armies and the invader's assault armies. The number of armies that can be engaged in combat on either side is five plus one-fifth of the size of the planet. Armies not engaged in combat will be placed a row behind the fighting armies and replace any killed army.

Generals are leaders who command armies and give them bonuses. However Generals have a 5% chance to die whenever one of their armies is killed.

Each army has a morale value, and once morale drops low enough the army will be negatively affected with the following modifiers:

Morale	Penalty
50%	−25%  陸軍傷害（Army Damage）
0%	−75%  陸軍傷害（Army Damage）

Armies gain experience from combat and can rank up. Higher rank armies are more effective in combat.

An attacker can always attempt to retreat. However there is a significant chance that each retreating army is destroyed while attempting to return to space, making retreat a risky endeavour and something to do only in very poorly chosen engagements.

Planet devastation

Planet devastation is a measure of how much damage has been caused to the planet's population centers. It goes from 0 to 100% and the higher it is the more damage defensive armies take and the more likely pops are to be killed. Every 1% planetary devastation causes a 1% decrease in  住房（Housing）,  舒適度（Amenities）,  Trade Value, Resources from Jobs,  （） from Jobs,  Growth Speed and Immigration Pull.

Planet devastation is caused by orbital bombardment and assault armies. Assault armies have a Collateral Damage modifier that determines how fast they cause planetary devastation. Defense armies do not cause any.

破壞度（Devastation）	傷害（Damage） to armies	Kills pops	FTL inhibitors functional	Tree of Life alive
0%	50%
25%	100%
50%	100%
75%	200%

Planet Devastation recovers by 0.05% daily if planet is not being invaded or bombarded.

Defense armies

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Defense armies are automatically recruited by certain buildings from the species working them and can be robotic or organic. They are stationed on planets and used to defend against enemy armies. While they are stronger one-for-one than assault armies and their loss does not cause War Exhaustion, their static nature means that investment is necessary to fend off a concentrated attack. Their combat ability is also improved by certain technologies.

The type of army recruited depends on the pop working the building that spawns them. Defense armies do not incur any upkeep beyond that of the building that creates their Job. Defense armies do not cause Collateral Damage.

Army Type	Army Damage	Morale Damage	Health	Morale	Pop Species
Defense Army	2.25 - 4.50	2.25 - 4.50	250	250	Organic
Robotic Defense Army	1.50 - 3.00	1.50 - 3.00	250	immune	Robot
Drone Grid	1.65 - 3.30	1.65 - 3.30	220	immune	Machine Unit
Sentinels	6.00 - 12.00	30.00 - 60.00	1400	immune	Event

Assault armies

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An empire can recruit armies of any species that is present within its borders, as long as there are members of that species living on the planet which the army is recruited from. Unlike Defense Armies, they are based in space and each recruited army will board a transport ship. Transport ships are unarmed but automatically upgraded with the latest defense components. Assault armies can be ordered to garrison an owned planet to provide additional defense.

The amount of armies from a species an empire can have at the same time is limited to the number of pops of that species living within the empire, except for  複製人部隊（Clone Army）. Armies without species like  異形部隊（Xenomorph Army） are unlimited as well.

Army	Cost	（）	Upkeep	Damage	Morale Damage	Collateral Damage	Health	Morale	War Exhaustion	Requirements	Species
Assault Army	100	90	1	1.50 - 3.00	1.50 - 3.00	100%	200	200	100%		Biological
Slave Army	50	60	0.5	1.50 - 3.00	1.12 - 2.25	150%	200	150	50%	Slave Processing Facility	Biological (enslaved)
Clone Army	75	30	0.75	1.50 - 3.00	1.50 - 3.00	125%	200	200	50%	基因庫（Gene Banks）	Biological
Robotic Assault Army	150	90	1.5	1.50 - 3.00	1.50 - 3.00	150%	400	immune	50%	智能人（Droids） Robotic Workers Allowed	Robot
Psionic Army	250	120	2.5	3.00 - 6.00	4.50 - 9.00	50%	350	500	300%	心靈感應（Telepathy）	Biological (psionic if Utopia is installed)
Xenomorph Army	200	100	2	3.00 - 6.00	6.00 - 12.00	500%	400	immune	25%	形態發生學精通（Morphogenetic Field Mastery）	None
Gene Warrior Army	300	150	3	3.00 - 6.00	3.00 - 6.00	75%	500	500	300%	基因種子純化（Gene Seed Purification）	Biological
Undead Army	100	60	0.75	1.50 - 3.00	2.40 - 4.80	125%	200	immune	50%	死靈法師（Necromancer） jobs	Biological
Hunter-Killer Army	100	90	1	1.50 - 3.00	1.50 - 3.00	200%	200	immune	50%	機械智能（Machine Intelligence）	Robot
Battle Frame Army	200	120	2	2.25 - 4.50	3.00 - 6.00	200%	500	immune	100%	機械智能（Machine Intelligence）  自適應作戰算法（Adaptive Combat Algorithms）	Robot
Mega-Warform	800	500	8	6.00 - 12.00	9.00 - 18.00	400%	1200	immune	400%	機械智能（Machine Intelligence）  生物力學（Biomechanics）	None
Cybrex Warform	250	500	8	7.50 - 15.00	15.00 - 30.00	500%	1400	immune	400%	Cybrex War Forge relic Can only be recruited on the capital	None
Titanic Beast	300	90	1	4.50 - 9.00	9.00 - 18.00	300%	1000	600	200%	Titanic Lifeforms event chain Only 3 can be recruited	None
Azizian Army	250 50	90	1	4.50 - 9.00	9.00 - 18.00	100%	1000	400	100%	Ice Alien event chain Only 3 can be recruited	None
Imperial Legion	300	150	3	3.75 - 7.50	3.75 - 7.50	75%	600	600	300%	Galactic Emperor Imperial Legions resolution Only 12 can be recruited	None
Psionic Avatar	event only		none	7.50 - 15.00	15.00 - 30.00	100%	1400	immune	500%	Shroud event	None
Nanite Warform	event only		none	15.00 - 30.00	90.00 - 180.00	500%	3600	immune	400%	A Quiet Stroll event	None
Skeletal Giant	event only		1.5	4.50 - 9.00	13.50 - 18.00	350%	1400	immune	50%	逝者軍勢（Reanimators） Strange Mountain Formation anomaly event	None

Army rank

As armies fight battles they will increase in rank, improving their stats based on their experience points. Armies get +2 experience points each time they deal damage and +1 when they take damage.

Rank	Exp Points	Effects
Regular	0 - 100	None
Experienced	100 - 1000	+10% Damage +10% Morale
Veteran	1000 - 10000	+20% Damage +20% Morale +10% Health
Elite	≥ 10000	+40% Damage +40% Morale +20% Health

Army starting experience can be increased by +100 by each of the following:

• Military Academy planet building
• Dread Encampment planet building
•  軍團之威（Strength of Legions） civic
•  私營軍事公司（Private Military Companies）
• Mercenary Liaison Office Corporate Building

Orbital bombardment

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Orbital bombardment occurs when a fleet is in orbit around a hostile planet, and is generally a precursor to invasion. Genocidal empires can even opt to skip the invasion entirely and simply exterminate all life on the surface. Orbital bombardment causes damage to any defensive army but also  破壞度（Devastation）. Effectiveness is based on the Fleet Size of the fleet in orbit, where maximum effectiveness is reached at 200 Fleet Size.

Stance	Planet damage	Army damage	Pop kill chance	Other effects	Requirements
Selective	50%	100%	25%	Does not kill the last 21 Pops Does not bomb planets with no armies on it	None
Indiscriminate	100%	150%	50%	Does not kill the last 11 Pops	Pacifist
Armageddon	150%	200%	100%	If the last pop is killed, the planet becomes a  死寂星球（Tomb World）	One must be true:  種族潔癖（Fanatic Purifiers）  鐵心滅絕者（Determined Exterminator）  化身天災（Become the Crisis）
Javorian Pox	20%	150%	150%	Does not kill  機械體（Mechanical） Pops If the last pop is killed, the planet becomes a  死寂星球（Tomb World）	Javorian Pox Sample relic activation Pacifist
Raiding	100%	50%	100%	Abducts pops instead of killing them Species with Displacement, Neutering or Extermination species rights will still be killed Does not cause Terror Bombing opinion if successfully abducted Does not kill or abduct the last Pop	One must be true:  野蠻掠奪者（Barbaric Despoilers）  強取豪奪（Nihilistic Acquisition）

Orbital Bombardment Damage dealt to enemy planets can be increased by the following:

Source	Damage
Overwhelming Force tradition	+20%
Orbital Trash Disperser component	+25%
Munitions Plant juggernaut aura	+30%
Death from above, lvl crisis stage	+20%

Orbital Bombardment Damage taken from enemy fleets can be reduced by the following:

Source	Damage
Planetary Shield Generator building	-50%
Survival of the Fittest tradition	-25%
Never Surrender tradition	-25%
Fortress World designation	-10%
Fortress Station designation	-10%

遊戲概念