Wand of Water Elemental Summoning is a reward from Gurgle and Floss in the Gurgle and Floss quest if you tell the pair the complete story of the Bhaalspawn instead of fighting them or intimidating them from the Underground River. This wand summons a Lesser Water Elemental for one turn.
Description[]
“ | Seaweed strands wrap around this coral-encrusted wand. When a charge is expended, a water elemental appears to do its summoner's bidding. | ” |