On page 53 of the 5th edition PHB, you'll see the Bard's chart. Below it and to the left is what you're looking for. Spell Save DC = 8 + your proficiency bonus + your Charisma modifier Spell attack modifier = your proficiency bonus + you Charisma modifier I'm not sure if this forum is meant for game related questions. More for the Roll20 system questions. Usually, when I have a question like yours and Google can't provide, I like to ask the Reddit community at <a href="http://www.reddit.com/r/DnD/" rel="nofollow">http://www.reddit.com/r/DnD/</a>