Here are a few ideas...
Slings:
Silk Bandage:
Technique t1
+10% healing mod
+1 life regen
+20% disease resistance
Activate for Cures Bleeding, but disarms you.
Funeral Veil:
Arcane t2
Increased drop chance from Celia.
+10 dark damage
+10% cold resist
+10% dark resist
+0.2 mastery spell/grave
Activate for Chill of the Tomb.
Alchemist's Sling:
Arcane t4
Can use alchemist gems as ammo.
+10 spellpower
+10 dexterity
+10 accuracy
+0.2 mastery spell/explosives
+0.1 mastery spell/fire-alchemy
+20% fire resist
+20% fire damage
Description: Smells like brimstone. A bit like that halfling hermit.
Dreamcatcher:
Psionic t4
Counts as a psionic focus
+10 mindpower
Uses willpower
On Crit puts the target to sleep.
+0.2 mastery psionic/dreaming
Activate for Waking Nightmare
Description: Doesn't look solid enough to hold shots, but somehow they don't fall out of the web of threads.
Frost Giant's Sling:
Technique t5
+10 strength
10% chance of Hurl Boulder on hit
+10 cold damage
+10 physical save
+20% cold resist
Increased damage based on weilders size
Description: The stitching on this sling is remarkably detailed, suggesting it was crafted by highly cultured people. Its like nothing you've ever seen Giants using.
Baulderdash:
Nature t5
10% chance of Rolling Boulder
+20% movement speed
Activate for Burrow.
+20% physical damage.
+10% physical penetration
Description: You feel a strange urge to collect gems.
Shots:
Puffball:
Nature/Arcane Disrupting t1
Converts physical damage to Slime.
If Zigur Follower, contains infinite ammo.
Conkers:
Nature t2
On crit, stuns.
Grapeshot:
Technique t2
On hit burst, 20 physical damage.
Cooldown reduction: Scatter Shot -4, Multishot -2.
Description: An elegant wineskin, decorated with grapes and vine leaves. Its a shame the contents is too lumpy to drink.
Amnesia:
Psionic t3
+30 darkness damage.
Special effect on hit, puts a random talent on cooldown.
Description: I forgot it.
Drops of Blood:
Arcane t5
Infinite ammo
-1 life regen
Bleeding immunity -50%
+50 blood boil damage.
Description: You feel a small jolt of magic as you touch this pouch. A small bead of blood forms on your finger where you touched it. It quickly detaches itself and floats into the pouch.
Prism Stars:
Technique t5
Damage conversion 50% to light.
On hit burst, 50 bright light damage.
Description: Beautifully cut stars of glass. It almost seems a shame to launch them in combat.
My feedback meter decays into coding. Give me feedback and I make mods.