I tried adding the Soul Stealer enchant from Harken Scythe to a sword, but when I kill mobs, they never drop a soul. I enchanted a regular diamond sword, so it doesn't have the Asgard Shield blocking mechanism, and I made sure I'm not holding a shield. When I right-click with the sword, it just blocks like usual, so I can't harvest like with a scythe, and killing a mob with the sword just drops its normal loot, no soul.
Anyone else gotten this enchantment to work?