Because of Dark Crow's unique Attribute and abilities, it could ensure that even if the Elemental Sovereigns discovered them, as long as they hid in Hell, they would have nothing to worry about— at most, their eyes might burst.
This was an overt assassination, a hunt.
Dark Crow and its partner, Admittedly, couldn't assassinate a Middle Legend, but they were still a significant threat to those of Lower Legend.
Besides... Lu Ran hadn't yet gone all out.
When encountering Lower Gods he couldn't quickly curse to death, Lu Ran had a backup plan.
Through Super Beast Mimicry, having learned Liu Hua's Power of Good and Evil application, he hadn't yet used the good power accumulated from executing three Beast Gods, nor the evil power boost for "Soul Reinforcement" Beast Training Technique gained by selling underage Pet Beast Cubs, alienating them from their parents from a tender age.
