WotC Pax Unplugged D&D Presents Panel teasers about 2020

[Paul Farquhar]

+2 Cha, +1 Con, ray of frost / armor of agathys / darkness, and implication that one of the tiefling's ancestors faced "inescapable doom" and accepted a bargain with Levistus to try and get out of it.

In other words they don't suck like PHB tieflings.