"This must feel nostalgic, in a sense. I can't imagine you could easily obtain materials in broad daylight, after all." Not that he's judging Donatello for that fact; Akechi knows the judgmental nature of humans far too well. It's simply the likeliest outcome.

But it is what it is. He nods at Donnie's assessment. "The front and sides are likely the most vulnerable areas, anyway. A bit more fortification would make it much easier to withstand battle damage and plow through obstacles like those unsightly thorns."