Resident Evil: The Board Game – Bleak OutpostExpansion

From BoardGameGeek:

Enter the Guard House and underground Aqua Ring in tense new scenarios featuring sinister new mechanics. You'll encounter flooded tiles, undead insects, the ferocious Neptune, and the constant threat of Plant-42's searching vines dragging you into the depths... Are you brave enough to explore this strange world and face these two huge new bosses, so large they take up multiple squares? Including six gripping new scenarios, this expansion adds 8 hours of extra gameplay to your Resident Evil: The Board Game campaigns. Or, play each scenario as a terrifying standalone experience.