They follow the same attack pattern as one-handed swords (a three-hit combo and a ×3 secondary attack) but with more damage per swing. You pay for it with the shield.
All weapons
Flint Bastard Sword Black Forest
26
lvl 2
Bone Claymore Black Forest
30
15
lvl 1
Bone Bastard Sword Black Forest
30
16
lvl 1
Bronze Claymore Black Forest
46
lvl 1
Abyssal Claymore Swamp
56
lvl 1
Abyssal Bastard Sword Swamp
56
lvl 2
Iron Claymore Swamp
66
lvl 2
Silver Bastard Sword Mountain
86
30
lvl 3
Silver Claymore Mountain
86
30
lvl 3
Blackmetal Scimitar Swords Plains
105
lvl 4
Blackmetal Claymore Plains
106
lvl 4
Blackmetal Bastard Sword Plains
106
lvl 4
Doombringer Plains
106
6
6
lvl 4
Dwarven Bastard Sword Mistlands
130
12
lvl 1
Dwarven Claymore Mistlands
130
12
lvl 1
Flametal Bastard Sword Ashlands
170
lvl 1
Other weapon classes in this mod