When Strom levels in bard he gets a feat or ability score improvement. If he takes Shadow-touched , he gains +1 Wis (that would be a 16 now) which raises a few skills and his saving throw. He will gain access to Invisibility so he can drop that as a spell. But he also gains a new first level necromatic spell, so let's look at False Life . You gain D4+4 temporary hit points. If you cast this spell using a higher level spell slot, you gain an additional +5 hit points. So Strom has a lot of benefits from taking this spell. False Life Cure Wounds 1st level 6.5 7.5 2nd level 11.5 12 3rd level 16.5 16.5 4th level 21.5 21 5th level 26.5 25.5 Part of that is Strom's Charisma score in regards to cast Cure Wounds or Healing Word would only provide him with a +3 bonus because he's sitting at 16 instead of 18 or 2...
Personal Diary of Strom Coldsteel