Upgrades are buildables purchaseable using gems/gold. They are often essential in many campaign maps and multiplayer games. It is wise to prioritise in purchasing more valuable upgrades, although every upgrade is useful in its own way. Below are the lists of upgrades:
(AoS) Upgrades
Upgrade List (Pictures)
Note: This data is accurate as of public version 1.132.
Upgrade List (Text) (WIP)
Spartan Hoplite → Longbowman → Templar → Horse Archer → War Elephant → Tie Fighter
Fortress → Missionary → Archery Range → Catapult Ship → Siege Workshop → Stable
Reveal Spot → Regeneration → Strenghten a Unit → Money Courier → Battering Ram → Church
Unlock Map → Weaken Unit → Kill Unit → Convert Unit → Production Speedup → Clone Unit
Blacksmith → Master Archery lv1 → Archer Armor lv1 → Master Archery lv2 → Archer Armor lv2 → Elephant Archer
Advancements Center → Massive Walls → Samurai → Cavalry Armor lv1 → Cavalry Armor lv2 → Poison Archer
Stone Bridge → Infantry Armor lv1 → Loyalty → Infantry Armor lv2 → Axe Thrower
Great Transport → Dock → Sword Mastery lv1 → Sword Mastery lv2 → To Crossbowman
To Elite Skirmisher → To Gisarmeman → To Broad Swordsman → To Heavy Knight → Chariot → Chariot Archer
Shielder → Ballista → Slinger → Hussar → To Man-at-arms → Lancer
Light Cavalry → Hungarian Hussar → Fire Archer → Roman Legionary → To Heavy Catapult → To Heavy Lancer
Gate → Mounted Templar → Tanegashima Ashigaru → To Galleas → Cannoneer → To Priest
Cannon Tower → Centurion → Cannon Ship → ? → Mend Ship → Turtle Ship
Siege Mantlet → ? → ? → To Defender → Maceman → Assassin
Master Slinger → ? → Celtic Warrior → Roman Sagittarius → Banner Bearer → Mameluks
Teutonic Knight → Mongolian Horseman → Ranger → Axeman Knight → Laborer → ?
Disband Knight → forest sentry → roman garrison → ? → palisade → ?
Reach → To Hatamoto → ? → ? → ? → ?
Auxiliaries → ? → ? → ? → ? → ?
To Heavy War Elephant → Atl-Atl → To Heavy Chariot → ? → ? → ?
Mahout → ? → ? → ? → ? → ?
Peasant → Tight Fabric → Fort → To Heavy Ram → To War dog → ?
To Heavy Shield Knight → ? → ? → ? → ? → ?
To Heavy Svardstavier → ? → ? → ? → ? → ?
To Arbalest → ? → ? → ? → ? → ?
Persian Immortal → Zweihander Wielder → To Heavy Zweihander → ? → ? → ?
Demolition Boat → ? → ? → ? → ? → ?
Row Boat → ? → ? → ? → Carrack → To Galleon
Highlander → Hospitaller → To Heavy Longbowman → To Elite Hospitaller → To Elite Cannon Ship → ?
Nordic Hall → To Elite Axe Thrower → ? → ? → ? → ?
Heavy Slinger Tower → Shooting Tower → To Handgonne Tower → ? → ? → ?
Caravel → To Elite Cannoneer → To Frigate → Ballista Ship → Fire Siphon Ship → ?
To Halbadier → To Gendarme → Turtle Machine → Wolf Hole → Caltrops → Frisian Horse
Foot Knight → ? → ? → ? → ? → ?
Drummer → ? → ? → ? → Bard → ?
To Fortified Barracks → To Fortified Archery Range → ? → ? → ? → ?
Herbalist → Weakening Poison → Slowing Poison → Net Thrower → Pikeman → ?
Bishop → ? → ? → ? → ? → ?
Miner → Priory → ? → ? → ? → ?
Monastery → Medicine → ? → ? → ? → ?
To Guardian → ? → ? → ? → ? → ?
Mercenary Billman → ? → ? → ? → ? → ?
Cretan Archer → ? → ? → ? → ? → ?
Hospitaller Halbadier → ? → ? → ? → ? → ?
Gaelic Fighter → ? → ? → ? → ? → ?
Chu-Ko-Nu → ? → ? → ? → ? → ?
Primitive Veterans Hut → ? → ? → ? → ? → ?
Mounted Hangoneer → Reiter → To Elite Hungarian Hussar → Strelet → To Elite Hussar → Elephant Cannon
Elephant Run → Elephant Hangoneer → ? → ? → ? → ?
Enforcer → ? → ? → ? → ? → ?
To Elite Armored Spearman → ? → ? → ? → ? → ?
Veterans Roundhouse → ? → ? → ? → ? → ?
Druid → ? → ? → ? → ? → ?
Fear of Oni