She uses a potion that her father , Ra 's al Ghul , gave her in case the Lazarus Pit fell into the wrong hands to destroy it .
In season four , she opposes Laurel 's reckless scheme to resurrect Sara using the Lazarus Pit .
She uses a potion that her father , Lazarus Pit       , gave her in case the Lazarus Pit fell into the wrong hands to destroy it .
In season four , she opposes Laurel 's reckless scheme to resurrect Sara using the Lazarus Pit .