"I only hope that in your stumbling around, you do not wake the dragon."
In 2245, he and Earthforce General Robert Lefcourt met with Londo Mollari — liaison to the Centauri Republic delegation — to discuss the Minbari. Flushed with pride following Earth's victory over the Dilgar, the two humans were dismissive of Mollari's warnings not to provoke the Minbari. An intelligence-gathering mission was sent not long afterwards, which turned into the disastrous Earth-Minbari First Contact.
After the outbreak of the Earth-Minbari War, Hastur approached Londo Mollari for tactical and strategic support and the purchase of advanced weapons from the Centauri Republic. When Mollari refused to give it, Hastur turned to G'Kar of the Narn Regime who was more than willing to help, for a price.