If you're looking for manga similar to The Magic Chef of Ice and Fire 2, you might like these titles.
Kaito, a court magician who has continued to create barriers to protect the country on behalf of the saint. However, as soon as the Crown Prince's favorite Duke's daughter was appointed as the next saint, he was cursed to use only dark magic when he had no use, and was banished from the country. What's more, the country forced him to deal with the dragon that was mistakenly summoned ... There is no choice but to start living as a pharmacist in the depths of the forest with the dragon.
Despite having become a warrior-class adventurer, Lars has long been looked down upon by the members of his party, and made to be their errand boy. Unable to tolerate their treatment any longer, he decides to change classes when he discovers that he actually has overwhelming magical power. Moreover, he's at a Platinum level: the same level as that of the greatest sage in history! Thus Lars begins his second life as a sage: sending dragons into oblivion with a single blow, triumphing over his former adventuring companions, and solving one problem after another with his extraordinary magical ability!
One day, I randomly stumbled upon a gacha! When I tried using it, it turned out that it was an unbelievable gacha that granted special skills! Following our protagonist, who threw his whole paycheck at it, the world gradually started moving towards an unbelievable direction. This is a story about a man attaining peerless power and dragging the whole world in the process.