Wizard: I Can Make a Contract with All Things

The ancient kingdom is like sunset. Knights and barbarians compete for the crown. Dwarves, goblins, elves... All races turn against each other. Traveling to such a terrible medieval era, the only thing Roman could rely on was the wizard's parchment that came with him. Communicate with all things and conclude a spiritual contract. Make a contract with [Goat] and obtain the characteristic [Rock Climbing]. Increase the friendship with [Direwolf] and obtain the characteristic [Frost]. Make a spiritual contract with [Treant] and obtain [Wood Skin Technique]. Form a relationship with [The Dragon Smaug] and obtain the attribute [Burning the City with Fire]. All things are around you, and the future is at your feet. A few years later, the kingdom mainland fell into civil strife, and the lords and nobles turned against each other. When the lords saw an army of mythical beasts coming from the north, they fell into deep thought. A mammoth combat vehicle, with tree men as the vanguard, direwolves as mounts, lizard beasts lurking underground, and a flying dragon riding on the face above its head... "This is a fair!"