Gnoll Totemancy

You are a conduit of spiritual power who feasts on the fallen or carries morbid symbols. You gain the following benefits:

• Increase one ability score of your choice by 1, to a maximum of 20.
• You learn the guidance cantrip, allowing you to evoke ephemeral memories of past lives from the spirits that surround you. You also learn the  speak with dead spell and can cast it once without consuming a spell slot. Once you cast  speak with dead this way, you can't do so again until you complete a long rest.
• Additionally, your familiarity with the dead grants you advantage on ability checks made to dismantle deceased creatures or determine their cause of death.