Excidium, which research is needed?

[Shochan]

Could anyone please tell me which research I need to get before I can buy the Excidium?

[shi3ld]

it seems to be a research litterally called it

z:\Games\Steam\steamapps\COMMON\eye\EYE\resource\v gui\research\research_english.txt

"EYEResearch_Excidium" "Excidium"

"EYEResearch_Rescan_Excidium"
"Excidium\n\nOur last discoveries allow us to study a powerful massive destruction weapon's plans."

"EYEResearch_Resdone_Excidium"
"Excidium\n\nWe can now industrially build the Excidium.\n- Allows access to the Excidium at the weapons seller."