Gideon is absolutely desperate to know what Harrow was going to say, but contents herself with grinning smugly at the Reverend Daughter's aggressive blush.

"I brought my two-hander to Canaan House," she says, simply. "I made a false bottom for my trunk and smuggled it right out of the Ninth. It's my baby, I couldn't leave it."

Which means Harrow's gift is much more sentimental than practical, but Gideon doesn't care: as Ingress said, now she has two swords, which is awesome.