Here’s some info on the black mamba.https://en.wikipedia.org/wiki/Black_mamba
There’s also a video of a black mamba vs green mamba.
https://youtu.be/WNhbkqicb4E
“The Inland Taipan is the most venomous terrestrial snake known to man; perhaps the most toxic of all snakes in the world. Envenomation signifies a true medical emergency. The venom can cause neurotoxic, hemolytic, and coagulopathic reactions; paralysis or death could ensue rapidly.”