vcmi/config/objects/lighthouse.json

{
	"lighthouse" : {
		"index" :42,
		"handler" : "flaggable",
		"base" : {
			"sounds" : {
				"visit" : ["LIGHTHOUSE"]
			}
		},
		"types" : {
			"lighthouse" : {
				"compatibilityIdentifiers" : [ "object" ],
				"index" : 0,
				"aiValue" : 500,
				"rmg" : {
				},
				
				"message" : "@core.advevent.69",
				"bonuses" : {
					"seaMovement" : {
						"type" : "MOVEMENT",
						"subtype" : "heroMovementSea",
						"val" : 500
					}
				}
			}
		}
	}
}