Originally Posted by Errata
[3] (Section 79) The Sommerswerd is a weapon-like Special Item. The +10 COMBAT SKILL bonus referred to for Weaponskill is a combination of the +8 COMBAT SKILL that the Sommerswerd grants naturally and +2 for Weaponskill with Short Sword, Sword, or Broadsword (as each of them grant proficiency with the Sommerswerd). It is not an additional bonus. When used in combat, treat it like a one-handed sword, regardless of Weaponskill bonus. The text or footnotes will always remind you to double your enemy’s ENDURANCE point loss if it is undead.