However, uncertain about the meaning of his own existence, he does not stay with the humans, but pilots his ship alone into space, planning to let his power supplies run down.

Kroton did not reappear until nearly 19 years later, in Unnatural Born Killers (DWM #277), where he fights off a Sontaran raid on a primitive human village; in the time since his last appearances, he has become more proactive and physical as well as speaking more colloquially.

The story set up his appearance less than a year later in The Company of Thieves (DWM #284-#286) where he meets the Eighth Doctor and his companion Izzy on a freighter that has been captured by space pirates.

The TARDIS next takes the Doctor, Izzy, and Kroton to the museum planet Paradost, where memories can be accessed and enhanced by means of mnemonic crystals.

The wholesale slaughter turns out to be the work of the renegade Time Lord known as the Master, who had survived his last encounter with the Doctor and had been contacted by Esterath, a cosmic being that controls the Glory, the focal point of the Omniversal spectrum which underlies all existence.

Kroton takes his place as the new controller of the Glory, restoring the proper timeline, banishing the Master to parts unknown, and granting Sato his wish of an honorable death.

In the Eighth Doctor novel The Scarlet Empress, Time Lady Iris Wildthyme mentions that at some point during her travels, she encountered and befriended Kroton.