Water's Edge

Water's Edge is an enchanted scimitar +3, but it has a lore name and looks a bit different. It can inflicts 1d8 +3 points of damage, has a -3 THACO bonus, a speed factor of 4 and it weighs 3 lbs.

This item appears in Baldur's Gate II: Throne of Bhaal and Baldur's Gate II: Enhanced Edition. One of Yaga-Shura's elite soldiers who appear in the fight between the giant and the party drops two of them if killed before Yaga-Shura is.

In-game description
"The blade of this weapon seems to shimmer, revealing a fluid, razor edge. Truly there was great skill involved in its construction, as well as a blessing or two from some well-meaning eye above, even though the hilt is comparatively almost clumsily adorned."