another cure. He attacks Ivy, and transforms into a giant, plant-like monster. Darshan arrives and releases the girls. Ivy, Rose, Hazel, Thorn, and Darshan, along with Swamp Thing (who seeks to kill Grimley for trying to break the cycle of life and death) fight and defeat Grimley, with Thorn hacking him up with a machete. Darshan later helps Rose, Thorn, and Hazel leave Ivy, reasoning that they were getting so restless they would go eventually with or without his help. They set off away from Gotham to places unknown, saying they plan to live out their lives regardless of how short they may be. DC Universe DC Comics began the next relaunch of its entire line of titles, called "DC Rebirth", in June 2016. DC opted to rebrand its titles under the "DC Universe" name in December 2017, using the continuity established from DC Rebirth. In the "Better Together" story arc of Trinity, Poison Ivy finds a dreamworld and the White Mercy entity, both created by the Black Mercy plant for Mongul, through her connection to the Green. After capturing Batman, Wonder Woman, and Superman, she places them into the dreamworld and intends to use the solar energy emitted from Superman's body to open a gateway to bring the White Mercy—whom she considers as a daughter—over from the dreamworld. It is later revealed that Mongul deceived Poison Ivy and intended to conquer Earth using Superman as a vessel. Mongul is defeated by the White Mercy, using Batman as a temporary and willing vessel. As Poison Ivy and the White Mercy bid farewell to each other, the White Mercy uses her connection to the Green to make Poison Ivy lose her memories of the incident, so Ivy doesn't need to suffer any heartache. In the continuity, the "Better Together" story arc takes place after the events in Poison Ivy: Cycle of Life and Death involving Ivy's children. In Batgirl, Poison Ivy helps Batgirl save an airplane and its passengers from a plant, one of Ivy's specimen, that is growing uncontrollably in the cargo bay. In the end, she reluctantly allows Batgirl to kill it. In the "Ends of the Earth" arc of All-Star Batman, Poison Ivy goes into Death Valley where she conducts research on a barren tree to discover cures. Here, Batman asks Poison Ivy for help with a deadly bacteria, which was unleashed by Mr. Freeze, informing her about