{
	"genericName": "Advanced Celtic Mercenaries",
	"description": "Upgrade all of your Celtic mercenaries to Advanced rank.",
	"cost": {"food": 0, "wood": 0, "stone": 0, "metal": 300},
	"requirements": {"all": [{"tech": "phase_town"}, {"civ": "cart"}]},
	"requirementsTooltip": "Unlocked in Town Phase.",
	"icon": "upgrade_advanced.png",
	"researchTime": 40,
	"tooltip": "Upgrade all of your Celtic mercenaries to Advanced rank. This increases their military prowess, but decreases their resource gathering rates -25%. Unlocks Elite Celtic Mercenaries technology.",
	"modifications": [{"value": "Promotion/RequiredXp", "replace": 0}],
	"affects": ["Celt Basic"],
	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
}