User blog comment:Mexican215/So who was satisfied with the last battle against the Reapers?/@comment-2250460-20130205222107/@comment-2250460-20130205233405

But the level "Cortana" was at least possible because High Charity was heavily damaged and had most of it's defenses stripped.

This is a 2 Kilometer, scratch that, THE original 2 Kilometer Death Machine that have almost unbreakable shielding and un-Godly amounts of firepower, how exactly are you going to board Harbinger? Hell, Shepard and CO. had trouble boarding and destroying a dead Reaper.