Name in AI	Equivalence Type	Equivalent Unit	Upgrade ID	Upgrade Level
HEAD_HUNTER	UPGRADED_TO	BERSERKER	UPG_ORC_BERSERKER	1
BLK_SPHINX	BUILT_FROM	OBSIDIAN_STATUE	UPG_BLK_SPHINX	1
WATCH_TOWER	TC_ADD	ARCANE_TOWER	0	0