Hey there fellow Final Fantasy VII strategist! When it comes to materia management, make sure to prioritize leveling up your most essential materia like healing and elemental spells. For mission walkthroughs, always explore every corner of the map to find hidden items and secrets. When it comes to character development, focus on diverse roles for your party members to cover all your bases in battles. Don’t forget to experiment with different materia combinations to find the best setups for each character! Good luck on your journey through Midgar and beyond!