It looks like Regina (Lana Parrilla) is going to go into full-on revenge mode after her mother's death on Once Upon a Time. But exactly how far will she be willing to go? A new spoiler from TV Guide hints at the extent of Regina's return to darkness.

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"All bets are off," according to Lana Parrilla herself. "I think she's more dangerous than she's ever been ... she's just so angry."

Lana also hinted that it's not just the Charmings Regina blames: She's mad at Rumplestiltskin (Robert Carlyle) too. Which makes sense, since he's the one who convinced Snow (Ginnifer Goodwin) to go bad. "Her relationship with Rumple before was a game, but now I think she's going to really go after him."

Are you excited to see Regina and Rumple face off? What about Regina and the Charmings? Do you think her love of Henry (Jared Gilmore) will stop her before she kills again, or is Storybrooke about to have a major magical duel on its hands?

Catch the next episode of Once Upon a Time on Sunday, March 17 at 8 p.m. ET/PT on ABC.

Source: TV Guide

Rebecca Martin is an editor at Wetpaint Entertainment. Follow her on Twitter @BeccaDMartin.