Lapis
She could only blame herself.
If only she'd been faster, when Jasper had grabbed her...
If only she'd been stronger, when she'd kept Malachite underwater...
If only she'd acted instead of wallowing— in her depression, in her regrets, in her triumph of being right for once— when that Ruby had been around...
And if only— if only!— she had been there, when they...
If Steven were here, he'd tell her it wasn't her fault— that it was Homeworld's, and he only did what he had to, for his family.
But Steven wasn't here.
And maybe he never would be again.