In the forge, you can enchant the sword with different scrolls. What are the different enchantments I can get and what is the effect of each?
You can use a Scroll of Fire to enchant a Fire Sword, which does a small amount of additional damage.
You can use a Health Potion to enchant a Life Sword, which awards you some health back on hit.
You can use an Imp Invocation Scroll to enchant a Sword of Summoning, which has a chance when you kill an opponent to summon a friendly minion in it’s place, which can act as a meat shield to protect you and kill enemies.
Which you use is primarily a matter of style. The Summoning Sword is clearly better against a number of trash mob types, but it tends to fall flat against bosses or other foes with high HP. The Life Sword offers longevity, but you lose some offensive punch, etc.