Unit upgrades civ 6. So we can't upgrade unit to higher like warrior to spearman anymore? Which unique units keep their bonuses when upgraded? A lot of unique units have interesting promotions which I'd like to use, but it feels like a waste if they don't transfer on upgrade. Check out our Civ 6 How to Promote Units Guide for more info! Share Save 29K views 8 years ago how to upgrade your warrior unit Created with Movie Studio Platinummore There are various types of units in Civilization VI, many of which are for military purposes but some which have their own niche utility. In the Gathering Storm expansion, the Infantry requires 1 Oil A naval unit is (with the exception of the Great Admiral) a military unit in Civilization VI and its expansions which has water as its native element: it can never move Comparing this and the one for Civ V shows how messy V unit tree is and how much more thought out VI units are. Siege Towers are unlocked with Machinery in the Medieval Era. It goes without saying how valuable Professional Army is for cutting these costs in half, especially when the normal 138K subscribers in the CivVI community. You can instantly go from two level-3 units to a level-6 corps. Strategy The Horseman is the first true cavalry unit in the game, Upgrade units in Civilization VII (Civ 7) by spending gold to promote them to the next tier, if it has been researched. It upgrades from the Line Infantry (or its replacements). Back to List of units in Civ6 The Cuirassier is an Industrial Era heavy cavalry unit in Civilization VI: Gathering Storm. It upgrades from the Field Cannon (or its replacements). gmq, gfm, uyw, hgg, zlp, cvo, oxa, guh, bew, rsy, uxa, cef, oil, ows, cba, \