Ranger with 8 blows

[Mondkalb]

a) The Scimitar of Angrith (4d2) (+12,+14) [+4] <+3>
Found lying on the floor at 3550 feet (level 71).

+3 strength, constitution, tunneling, attack speed.
Slays trolls.
Provides resistance to lightning.
Cannot be harmed by acid, electricity, fire, cold.
Sustains dexterity.

When activated, it maps the entire level and detects nearby
objects, traps, doors, and stairs.
Takes 263 to 386 turns to recharge at your current speed.
Your chance of success is 95.7%

Combat info:
8.0 blows/round.
Average damage/round: 384 vs. trolls, and 279.2 vs. others.

Random arctifacts, obviously.
Version: Angband "r92f8a3f246"

[Estie]

Rare is the game where I dont find some +3 blow randart weapon, but even rarer is the game where I actually end up using it. Late game melee damage is dominated by damage dice (and slays/brands), not extra blows.

[Mondkalb]

I haven't seen a weapon with three blows until now ...

[Mondkalb]

Well, if you find one, they start raining:

t) The Great Hammer 'Elkas' (8d1) (+19,+13) <+3>
Found lying on the floor at 4350 feet (level 87).

+3 intelligence, dexterity, attack speed.
Branded with flames, frost.
Provides immunity to acid.
Provides resistance to cold.
Cannot be harmed by acid, electricity, fire, cold.
Grants the ability to see invisible things.

When aimed, it allows you to breathe lightning for 100 damage.
Takes 558 to 752 turns to recharge at your current speed.
Your chance of success is 96.9%

Combat info:
8.0 blows/round.
Average damage/round: 587.2 vs. creatures not resistant to fire,
587.2 vs. creatures not resistant to cold, and 441.6 vs. others.

Radius 1 light.

[Derakon]

I've found some nice weapons, but I don't think I've yet to find a randart with +3 attacks, let alone one that also had other useful abilities on it. This is the best I've managed in recent memory:

The Pike of Elwen (6d5) (+12,+14) [+13] <+5>
     Dropped by a Marilith at 3950 feet (level 79).
     
     +5 strength, dexterity, charisma, tunneling.
     Slays evil creatures, demons, trolls.
     *Slays* undead.
     Branded with lightning, venom.
     Provides immunity to lightning.
     Provides resistance to cold, chaos.
     Cannot be harmed by acid, electricity, fire, cold.
     Speeds regeneration.  Grants the ability to see invisible things. 
     
     When activated, it hastens you for 2d10+20 turns.
     Takes 319 to 390 turns to recharge at your current speed.
     Your chance of success is 94.5%
     
     Combat info:
     5.0 blows/round.
     Average damage/round: 491.5 vs. evil creatures, 598 vs. demons,
     598 vs. trolls, 598 vs. creatures not resistant to electricity,
     598 vs. creatures not resistant to poison, 810 vs. undead, and
     385.5 vs. others.