You recovered a total of 20 items: 3 wands, the 8 items from the pile immediately in front of the linnorm and 9 other items, plus Battle. You also have the armband from the Nycaloth.
After laying all the items out they are as follows: (from the pile of
a long sword, a breast plate, a pair of riding boots, two rings, a belt and a rod. (From the rest of the room) a ring, a staff, a war hammer, a battle axe, a set of bracers, a long bow, a cloak, a belt and a horn.
Ari recognizes the sword and breastplate as Sir Lucas'.