Mech-venom
From MediaWiki
The mech-venom sting is a corruption of the energon sting Scorponok possessed before becoming Dark Scorponok. Along with his claws, mech-venom is Dark Scorponok's primary weapon.
Fiction
Cybertron comic
Dark Scorponok almost killed Sentinel Maximus after injecting him with mech-venom during their fight at Kalis Primary Energon Reserves Control. Because Vector Prime got the facility's security system back online, Dark Scorponok was taken out, allowing Sentinel Maximus to recover from the mech-venom. Balancing Act, Part 4

