Against the Giants

While it's going to be crucial to defeat the Scourge on the ground, we mustn't neglect the gate itself.$b$bThe flesh giants on the ramparts are capable of hurling massive boulders and chunks of ice, inflicting devastating damage to enemy infantry below.$b$bMuster a force and defeat these giants. We need to know just what we're up against in terms of their strength.$b$bOh... and bring me their spines. If memory serves, there's a little trick I can share with you.