The Frost Bridge that stretched across the Howling Abyss was not a single bridge, but a composite defensive system made up of a series of bridges and partition walls, serving both to connect and to obstruct.
The Howling Abyss was so terrifyingly cold that even ice dragons dared not venture deep inside. Thus, during the three days of rest, the allied forces' scouts had been limited to observing from high above with the aid of Hextech Telescopes. They could not get close to the Frostguard Tribe's defensive system.
As a result, the allied forces had failed to fully appreciate just how complex and comprehensive the Frost Bridge's defenses were. Though the allies could use their advantage in magic-assisted combat to break through at certain points during the melee on the bridge, the Frostguard Tribe relied on the defenses of the Frost Bridge as a whole to deal with their attacks with ease. Wave after wave of reinforcements arrived from directions the allies hadn't even considered, holding the line by sheer force.
That was the most direct reason for the awkwardly slow pace of the allied forces' advance today.
The main span of the Frost Bridge was at least ten miles long. If they kept advancing slowly, step by step, the allies would have little chance of reaching Frostguard Citadel before their own resources ran out.
They couldn't keep advancing like this.
"We have to cut off the Frostguard's supply route beneath the bridge." At the post-battle debriefing, Lux spoke with conviction. "Our warriors are advancing just fine. The problem is that the enemy keeps getting reinforcements, while ours have to cross openly over the bridge. They come under long-range fire before they even reach the front!"
Everyone nodded at Lux's words. This was what made today's assault so difficult. The