Gaiaterra: Elysea's Conflict/Ultralisk

The Ultralisk is a Swarm heavy ground unit that serves as the primary breakthrough unit of the Great Swarm.

Tactical analysis

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Appearance
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Overview
Ultralisks are the most powerful ground strain the Swarm possesses, their genetic material has been subject to countless test and experiments and only the final viable code is utilized by larvae. Living battering rams, ultralisks serve as the backbone of the Great Swarm, and serve as its siegebreaker. When dealing with these creatures, Infantry of Gaiaterra are advised to maintain a wide perimeter and call in air support.

History
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Trivia

 * It reuses the sounds from Starcraft II.

Guardians of the Tacitus

 * Paladin/Plasma Paladin (Aquila)
 * Chevalier/XF-32 F.I.S.T. (Task Force Wolf)
 * Wolfhound Tank Destroyer (Alliance)
 * Mammoth Tank (ADI)
 * Type 40 Yonmaru/King Oni (Protectorate)
 * Super Goliath/Queen Oni (Asur Command)
 * Greater King Oni (Exo-Command)
 * Jagdmammut (Andora)
 * Overlord (Empire)
 * Conqueror Tank (Grand Chase Royal Guards)
 * Emperor Overlord (Elsword's Royal Force)
 * K3 Grey Tiger (Community)
 * Sensenmann Tank (Lotus Clan)
 * Wasteland Superheavy Tank (Wolf Clan)

Destroyers of Balthazar

 * Apocalypse Tank (Voshkod)
 * Catastrophe (Kvant Division)
 * Blackbear (Zenit Division)
 * Stealth Tank (Brotherhood)
 * Gorkanaut (Horde)
 * BRDM-1 "Roach" (MLA)
 * Shturm-S (Nightborne Chemical Division)
 * Colossus (Collective)
 * Shagohod Tank (Encantadia)
 * Sentinel (Hathoria)
 * FCM F1 (Adamya)
 * Annihilator Tripod (Scrin)

Neutrals

 * Land Raider Phobos (Coalition)
 * Hekaton Land Fortress (Primaris Votann Guards)
 * Fellblade (Heralds)
 * Cataphract Land Ironclad (Order)
 * Sidewinder Burrow Tank (Survivors)
 * Kronos Heavy Tank (Syndicate)
 * Stormsurge (Tau Merchant Guards)
 * Mastodon Walker (Conglomerate)
 * Baneblade (Legion)

Bonus Factions

 * T-140 Angara (ASA)
 * Voidpanzer (Bastion)
 * Linebreaker Creep (Rangers)
 * Ariavanna Tank (Pirates)
 * Rakshasa Land Cruiser (Elona)
 * Lion Heavy Tank
 * Gorgon Mammoth Tank (Ascalia)
 * Thor (Dominion)
 * Super Merkava (Security)
 * ... (Ascendancy)

DLC

 * UNSC Elephant (Federation)
 * Federation Mastodon
 * Zhurong Assault Tank (Corona)
 * ... (Party)
 * Executor Tripletank (Skynet)
 * SKS 300 "Kaiser" (Elemental)
 * AT-AT (Autocracy)
 * BZ-75 (League)
 * Ultralisk (Swarm)
 * Machu Pichu Advanced Tank (Confederation)
 * Strv 2000 (Kingdom)
 * Scorpion Grav-Tank (Aeldari Guard Corps)
 * ... (Goo)
 * Maus (Imperium)
 * Doomsday Ark (Dynasty)
 * ST-II (Warlords)
 * Envenomators (Cult)
 * Dais of Destruction (Raiders)
 * Sigmar Tank (Theocracy)
 * T28 (Insurgents)
 * Apexia (Guardians)
 * Gondwana Heavy Tank (Hierarchy)
 * ... (Sundered)
 * Ifrit Tank (Ecumene)
 * Black Prince (Concordat)
 * Akula Tank (Contingent)
 * Cerberus (Eden)
 * Facemelter Assault Vehicle (InGen)
 * ... (Society)
 * ... (Conclave)
 * ... (Hallows)
 * MBT-70 (Commune)
 * ... (Lordships)
 * ... (Directorate)
 * ... (Columbia)
 * Soban (Clique)
 * O-I (Guild)
 * Tanker Bug (Threat)
 * O-75b "Ares" (Traders)
 * EG-14 Terminator (Entente)
 * Tyrant (Oblivion)
 * Judgement (Corporation)
 * Arrogance Heavy Tank (Institute)
 * Mazdak Supertank (Commonwealth)
 * ... (Nimbus)
 * ... (Carnival)
 * ... (Wraiths)
 * ... (Chronophage)
 * ... (Privateers)
 * ... (Foundation)