D&D. Fifth Edition Wiki - Is There a Catch?

There's a thing called Vampiric exultation where I could turn the bottom half of my body into just mist and float around. There's no catch, but you do are going to have like higher stakes in fights now. Is there a reason why combat has been going less fatally for us? A lot of us are beefy. And so it's harder to take us down or we're just we're more we have more sustain.