You need the spell Soul Trap or a weapon with a Soul Trap enchantment, like the dagger you described. gt: KSI tomashart25. Leave the past behind you, but embrace the future as your present. There's a Conjuration spell called Soul Trap. Cast it on an enemy, and their soul will fill a gem upon being killed.
The idea that a super cool soul gem can be filled with one petty soul seems like bad design to me. What would be ideal is either: A small soul cannot fill up a larger soul gem. Or, what would be better: If you put a small soul in it, you can now fill it will multiple small souls until it reaches the X level of that gem.
1 Answer. Soul gems, no matter the type are all filled up the same way. Use Soul Trap on a humanoid enemy or if you have one, use a weapon with the soul trap enchantment on it in order to absorb the soul. Find some human somewhere and do this to fill it up. It wont work if you kill a deer or something.
Black Soul Gems can be filled with Grand Souls of most large, sentient creatures, such as the playable races. If it takes too much time to go fill a Black Soul Gem, Falion also sells the item for
Filled Soul Gems are used to enchant gear or to refill enchanted weapons. You capture souls by having a empty soul gem and using the spell Soul Trap or an enchanted weapon with soul trap. Souls and Soul Gems come in different sizes - Petty, Lesser, Common, Greater, Grand, Black. Human have Black Souls and can only trapped in Black Soul gems.
RNMo.