equipment configurations for supercombatants (SCs)

Vicious Love said:My favorite combo is more stylish than effective: Two daggers(Or Swords of Swiftness, if ambidextrous enough), Chi Boots, an Astral Serpent

Does an Astral Serpent really strike one more time for *every* other attack ? So a single werewolf (CoW) using the base claw/claw/bite routine could make 3 more poison attacks, making 6 armor negating damage and 9 poison damage every round ? A perfect counter against super-heavy units, or even against some SC (if you can bypass def) like Cyclops, Red Dragons, Manticores, etc. And the poison is cumulative, so even 1 hit will cause 30 pts damage in 10 turns (death poison) but 2 hits will cause 60 pts etc...
Does it work only in close combat or even for ranged attacks ? And for hooves (one more attack for cavalry) ?
TIA