Flexible early units
Compare the Tengu’s air and ground roles with the amphibious Tsunami Tank’s protection ability when choosing a versatile force.
Mecha Tengu / Jet Tengu Tsunami TankThe Empire’s unit roster emphasizes changing roles: several machines switch between land, air, and sea forms, while Nanocores let the faction deploy structures into new territory. The choices below focus on concrete unit functions, abilities, and prerequisites documented in the supplied Empire roster. Use the listed upgrade and breakthrough requirements to identify which options depend on advancing a production structure.

Compare the Tengu’s air and ground roles with the amphibious Tsunami Tank’s protection ability when choosing a versatile force.
Mecha Tengu / Jet Tengu Tsunami TankFor later Mecha Bay options, consider whether you need a form-switching attacker, charged artillery, or a heavy assault unit.
Striker-VX / Chopper-VX Wave-Force Artillery King OniThe Imperial Docks roster includes a transformable Sea-Wing, a fast ship hunter, and a breakthrough battleship.
Sea-Wing / Sky-Wing Naginata Cruiser Shogun BattleshipChoose a topic to see how it works, where it helps and what to consider.
The Tengu switches between a Mecha form and a Jet form, giving it a way to engage ground and air targets with its 20 mm autocannons. The roster describes it as effective against infantry and aircraft and amphibious. It can be produced from either the Mecha Bay or the Imperial Docks, with no prerequisite listed.
Understand this choiceThe Tsunami Tank is the Empire’s mainline tank and can transform into an amphibious unit. Its armour-piercing cannon is described as weaker than other tanks, while its Nano Deflectors can nullify most incoming attacks. It is available from the Mecha Bay or Imperial Docks after the corresponding structure upgrade.
Understand this choiceThis counterpart to the Tengu changes between an anti-air mecha and an anti-ground helicopter. In its helicopter role it uses rocket swarms against ground targets. Production requires a Mecha Bay Upgrade; the source does not list Imperial Docks as a production option.
Understand this choiceThis mobile artillery unit uses a particle beam instead of ballistic shells, with the stated ability to damage fortifications in a few shots. The source says fewer shots may suffice if the beam charges to full power first. Production requires a Mecha Bay Breakthrough.
Understand this choiceThe King Oni is a giant robot with eye blasters and a Bull Rush secondary ability. Its description also highlights the ability to crush tanks. Production requires a Mecha Bay Breakthrough, placing it among the roster’s advanced mecha options.
Understand this choiceThe Sea-Wing is described as an aerial bomber that converts into an attack submarine. Its Aozora air/sea missiles can attack enemy vessels from above and below. Production requires an Imperial Docks Upgrade.
Understand this choiceThe Naginata is a fast ship hunter that closes with targets and launches a spread of torpedoes. Its Torpedo Type S ability can hit multiple targets before they can respond, according to the roster. Production requires an Imperial Docks Upgrade.
Understand this choiceThe Shogun is an Imperial Docks Breakthrough ship described as a heavily defended battleship that attacks coastlines. Its Ramming Speed ability increases velocity and creates a point-defence shield for ramming enemy units.
Understand this choiceThe Burst Drone scouts, can latch onto slow-moving vehicles, and can self-detonate to release an EMP blast that disrupts electrical systems. The roster also says it can detect Spies. No prerequisite is listed.
Understand this choiceThe Imperial Warrior carries an energy rifle and katana. Its Banzai Charge ability can clear garrisoned buildings. The roster lists no prerequisite for this infantry unit.
Understand this choiceTankbusters are infantry equipped to attack armoured vehicles with wave-force cannons. Their Burrow/Unburrow ability lets them hide in self-made spider holes and emerge to attack. No prerequisite is listed.
Understand this choiceShinobi are described as assassins and spies who use shuriken, smoke bombs, and swords, and are able to swim. Their Smoke Bombs ability is named, but the supplied text does not explain its mechanical effect. Production requires a Dojo Upgrade.
Understand this choiceRocket Angels carry missiles and paralysis whips. The secondary ability switches combat mode and weapon, allowing the listed missile and whip options. Production requires Dojo Breakthrough.
Understand this choiceYuriko Omega uses psionic powers and hovers, including over water. Her secondary ability is Psychokinetic Burst. The roster lists Dojo Breakthrough as a prerequisite and says only one Yuriko Omega can be trained at a time per player.
Understand this choiceSome units require a named structure upgrade or breakthrough; the roster does not list them as available with no prerequisite.
Tengu, Striker-VX, and Sea-Wing switch forms to take on different combat roles, so their description should be read as a set of modes rather than a single weapon role.
A focused reference to 14 Empire of the Rising Sun infantry, vehicles, and ships. It covers named unit roles, abilities, and stated prerequisites from the supplied game-specific source.
Explanations prepared with GPT-6 Luna and checked against the linked references. These are source-reviewed guides. They do not establish independently tested optimal builds or exact upgrade budgets. How coverage works.