After arranging the two children, McGonagall and Irina headed all the way north to the north again.

However, compared with the previous few times, this time they did not cross the Gus Mountains.

McGonagall asked Azi to lower his flight altitude and fly over three Grand Canyons.

A large number of engineers are busy in the canyon like ants. They need to repair the two cliffs neatly to prevent the skeletons from climbing up easily, and dig several meters high tunnels in the canyon.

There are also a considerable number of magicians in the canyon, engraving formations on the cliffs and the ground.

These three valleys tens of miles long will become meat grinders in this war.

McGonagall will deploy heavy troops on both sides of the canyon. Before they reach the mouth of the canyon, they will do their best to kill and wound the dead army and relieve the pressure on the soldiers who are standing at the mouth of the canyon.

"Although there are a lot of engineers, but the efficiency is too low, it needs the elites with special abilities from all races to come to help." McGonagall frowned. The capabilities of the Northern Engineering Corps were limited and not enough to meet his requirements.

"When the night elves arrive, you can join the team engraved with the formation. The number of magicians is more than one thousand." Irina said.

"Not enough." McGonagall pointed to the ice sheet ahead, "If possible, I hope I can kill them as much as possible before they reach the Gus Mountains to reduce our losses."

"Our time is limited." Irina reminded.

"I'm greedy." McGonagall retracted his gaze and let Azi go down.

The temporary headquarters of the Allied Forces was set in the middle of the battle line, facing the grand canyon in the middle. On a platform on the top of the mountain, several halls made of ice were temporarily built.

The crystal clear ice, shining in the sun, looks like a dreamlike ice castle.

The inexhaustible ice cubes in the north are inexhaustible, and they are no better building materials.

It only needs to portray a few simple formations inside to block the chill of the ice itself and the influence of internal activities on the ice.

The purple-patterned griffin landed on the platform in front of the main hall. After a brief panic, the guard recognized McGonagall's identity and quickly saluted him respectfully.

"Marshal Dominic is in the camp?" McGonagall asked when he jumped off the Griffin and looked at an officer who came up quickly.

"The marshal is in the camp. Your lord, please come with me." The officer replied respectfully, leading McGonagall and Irina.

There is no glorious decoration in the Frost Hall. Like the Ministry of War, it is divided into multiple areas. Civil and military officials are busy handling affairs.

At present, the coalition forces of all ethnic groups have not yet arrived at the front line, and the front line camp is still dominated by the imperial army led by Dominica.

The officer led McGonagall and Irina to a chamber deep in the main hall. The wide chamber still had no extra decoration. The round table was arranged around a huge sand table, which was the topography of the front line of the Los Mountains. Reissue, including the three Grand Canyons.

Dominic was writing something at his desk. He stopped writing when he heard something. He stood up and looked at McGonagall and said, "You are here."

"Yes." McGonagall nodded, glanced at the sand table, then looked at Dominic and said: "The frontline is more difficult than I thought."

Dominic's wrinkled face showed a slight smile. If the engineers on the front could hear these words, they should also be very pleased.

"The Engineer Corps can't complete the frontline fortifications in a short time. There are many things they can't do. The wizards of the Wizard Tower, let them come to the front immediately." McGonagall said while looking at Dominic.

"I would also like to ask the Frost Dragons to help repair the gaps in the Gus Mountains. Several gaps are too large for the engineers and magicians to fill in for a while." Dominic said.

"I will order all ethnic groups to rush to help immediately. Front-line fortifications are the key to this war and must be completed quickly." McGonagall nodded. This was what he had previously thought on the road.

All ethnic groups are currently gathering elites, but with such a large force, even if the green light goes all the way north, it will take a lot of time.

At this time, McGonagall thought of the benefits of a large teleportation array.

It is a pity that the cost of deployment and use of the teleportation array is extremely high, not to mention the super-large teleportation array with a population of more than 10,000, and the current races of the Nolan Continent simply cannot afford it.

However, front-line fortifications need people with special abilities, such as a powerful ice magician and a strong person with ice abilities, which can speed up the repair of the gap.

There is also the formation mage. Each additional formation in the canyon will relieve the soldiers in the rear from a point of pressure. It is of great benefit to arrange early.

Dominic nodded, this point coincided with him, but his identity was not enough to mobilize all races, and it would be best if Alex could take the initiative to propose.

"Yes, there is one more thing, you may be interested." Dominic said: "Yesterday, a frost dragon visited the front, helped fill more than a dozen gaps, inquired about the undead army, and then left early and entered Icefield."

"Elizabeth?" McGonagall asked, looking at Dominic.

"From the description of the frontline fighters, it is very likely that it is her." Dominic nodded.

"Where did she enter the ice sheet?" McGonagall asked with a serious expression.

"Are you going into the icefield to find her?" Dominic looked at McGonagall with a little surprise.

"She's very important." McGonagall nodded and added: "Maybe it can be a trump card against Lankster."

After searching for so many days, this was the first time McGonagall heard about Elizabeth.

The bad news is that she entered the ice field, and entered in the morning.

"I let the soldiers who saw her leave in the morning," Dominic said.

"No, you can find someone to take me over. Change a place, I'm afraid it will be different." McGonagall shook his head.

"Okay." Dominic called the adjutant and asked him to take McGonagall to find the soldiers who had seen Elizabeth.

Irina also followed McGonagall with a dignified look. The ice field was perilous, and both Cthulhu and Qiao Xiu were extremely dangerous.

And even if she finds Lancaster, Lancaster who has lost her mind is even more dangerous.

Soon, McGonagall saw the engineering group that had encountered the frost dragon.

From their description, McGonagall can confirm that it is Elizabeth who has long disappeared.

"My lord, she flew in this direction, I'm sure." A tall and thin engineer pointed at the white ice field and said.

"Did she say where she was going before leaving?" McGonagall asked.

"No, she seldom spoke, only asked a few words about the Undead Legion, but we didn't know anything and didn't provide her with any news." The soldier shook his head.

"Okay." McGonagall nodded and looked back at the adjutant who had brought them: "Tell the marshal that I need to go into the ice field and leave the letter to him to write."