This large ferocious building has evolved from the hatchery. Compared to the hatchery, it is even larger and it has initially formed the mind. It can engulf other species, analyze their genetic compositions, and thus intensify and transform the Zerg.
|Any||5 + 5 + 5 + 3||In Tech Hall, ...|
|1||As above at level I||Technology Research Speed +2%|
|2||As above at level II||Technology Research Speed +5%|
|3||As above at level III||Technology Research Speed +9%|
|4||As above at level IV||Technology Research Speed +14%|
|5||As above at level V||Technology Research Speed +20%|
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