There's a bloody baker's dozen of them and then some, depending on the universe, and they scale from sometimes tolerable to always the worst. If he's not dealing with Lucifer now, presumably he will some time in the future, when it becomes his problem and he grudgingly does something about it - not to help people, but just because it's a problem to solve.

Is Ianto bitter much? He's had a lot of time and nightmares to let that oversteep into a really unpalatable tea, metaphorically and metaphorically literally. Their surroundings are tainted by the shift of his thoughts, a little grungier, a little moldier, less homey diner and more truck stop full of potential serial murderers. Ianto takes a sip of his cup of tea, bloomed white on the surface. "I couldn't plan on staying any farther from him," Ianto assures his guest, who sounds much more anxious about all this than Ianto feels. "I'll be living in a virtual fortress soon enough. I shouldn't worry." Assuming the TARDIS takes him back. It's either that or, like, under a bridge? Those are pretty safe too.