Istredd has said a few times that none of them really know what the Singularity is or what it's capable of doing or if it's responsible. As he told Geralt, never assume he's speaking in facts, only in theories or guesses. He still thinks it's best not to spread information about the Singularity, true or not. Even when reporting to Ambrose about the Singularity trip they were fairly neutral about it.

He can tell that despite everything, it does actually seem to land for the woman and giving her something was better than nothing. Lucifer was right. The log was a good addition to the money, a longer lasting gesture. He glances over at Lucifer at that part, since he has no idea what the religious mindset is about the afterlife here.

"I don't know if there is any solace in knowing your husband was trying to do a good thing, and that all of us who were taken, Summoned and citizens alike, were helped by his actions." Technically not, technically the sea monster meant nothing to the end goal, but it did cross something off for them as a potential location. So big picture, it was.

"If you ever need an additional enchantment or to strengthen the one on there, you can contact me, Istredd, at Castle Thorne." It is very unlikely to fade any time soon, but he likes to be thorough.