From the community compendium, not seen in-game yet: nothing here is confirmed.

Drop	Qty	Chance
Wooden ArrowWooden ArrowCommon · Ammo	40×	13%
Honing StoneHoning StoneCommon · Ammo	40×	13%
Magic RuneMagic RuneCommon · Ammo	40×	13%
Arcane Damage IArcane Damage ICommon · Weapon Augment	1×	4.8%
Slash Damage Ifrom the community compendium · not seen in-game yet	1×	4.8%
Piercing Damage Ifrom the community compendium · not seen in-game yet	1×	4.8%
Arcane Defense Ifrom the community compendium · not seen in-game yet	1×	4.8%
Slash Defense Ifrom the community compendium · not seen in-game yet	1×	4.8%
Piercing Defense Ifrom the community compendium · not seen in-game yet	1×	4.8%
Health Regen Ifrom the community compendium · not seen in-game yet	1×	4.8%
Energy Regen Ifrom the community compendium · not seen in-game yet	1×	4.8%
Midas Touch Ifrom the community compendium · not seen in-game yet	1×	6.4%
Anti-Knockback Ifrom the community compendium · not seen in-game yet	1×	6.4%
Infinity Ifrom the community compendium · not seen in-game yet	1×	6.4%
Enchanted CatalystEnchanted CatalystRare · Upgrade Material	1×	3.8%
Arcane Damage IArcane Damage ICommon · Weapon Augment	1×	13%
Slash Damage Ifrom the community compendium · not seen in-game yet	1×	13%
Piercing Damage Ifrom the community compendium · not seen in-game yet	1×	13%
Arcane Defense Ifrom the community compendium · not seen in-game yet	1×	13%
Slash Defense Ifrom the community compendium · not seen in-game yet	1×	13%
Piercing Defense Ifrom the community compendium · not seen in-game yet	1×	13%
Health Regen Ifrom the community compendium · not seen in-game yet	1×	13%
Energy Regen Ifrom the community compendium · not seen in-game yet	1×	13%