EVE Online PVP 100MN Tengu tanks 2 Megathron, 1 Rokh, 1 Raven, 2 Drake and 1 Apocalypse

Found a Tempest, Rokh, Raven, 2 Megathrons, 2 Drakes, 1 Brutix and 1 Guardian attacking a POS. Decided to try and gank one of the Drakes.