a Second Miss Space

This story about regression or return to past after death with main character is demon name Space who goes back in time from her future to her younger self story, with experience she got from her first life will give her advantage in battle, knowledge and treasure that no one found it yet, Space is a Mimic, Mimic is Shapeshifter Creature but unlike Chengeling who can also copy both attribute and abilities while turn to other form, Mimic has disadvantages can only copy the form but its atttibute and abilities remain the same, even with that weakness mimic has advantages it can cast Chaos Drain magic bolt who will deal high pure damage and per hit it'll gain HP by 15% of damage dealt, gain omni-shield by 5% of damage dealt and gain random shield(fire shield, frost shield, light shield etc) by 5% of damage dealt. Space originally is a mimic monster but then she evolve into Demon, then become warlock, later she become follower of Goddess of Chaos, then become Goddess of Chaos devoter, then now become Cleric of Chaos Goddess who has chaos heal ability that can made the target gain HP by 50% of magic power, gain omni-shield by 25% of magic power and gain random shield(fire shield, frost shield, light shield etc) by 25% of magic power, after barely survive many battle, war and Catastrophy Space is finally death in one of battle in one of catastrophy in different timeline, but when she death suddenly she found herself awaken as her younger past when she just evolve to demon, returns to her younger past after her death, determine to change the future catastrophic she tries to convince everyone to join her, saying she see prophecy instead saying she back from future since it easier to explain, but will anyone just easily believe a demon? can she gather enough power to change the future? or she will just die again for the second time like in her first life and change nothing after goes back to younger past even after try so hard? that depend on you and your choices