So I'm new to the Roll20 interface but when I click Tasha's, it just shows in the Chat as a DC 8 Save. Shouldn't it be adding my proficiency bonus and my spellcasting modifier (Charisma)? I'm a level 3 bard. So 8+2+3=13? Oddly 13 is what it shows for Shatter, but 8 for Faerie Fire, as well....