Hey there, fellow Final Fantasy VII fan! When it comes to mission walkthroughs, preparation is key. Make sure to stock up on potions, ethers, and status-curing items before heading into any mission. For the Shinra Building infiltration, use the “Elemental” materia paired with “Fire” or “Ice” for added damage against certain enemies.

During the train graveyard mission, be sure to have “Sense” materia equipped to scan enemies’ HP and weaknesses. Utilize Barret’s long-range attacks to take out flying enemies while Cloud focuses on ground foes. And don’t forget to steal from Ghost enemies for valuable items!

Lastly, when facing the boss in the Temple of the Ancients, prioritize healing with Aerith’s magic while Cloud and Red XIII deal damage. Equip elemental resistances to counter the boss’s elemental attacks. Stay patient and strategic, and you’ll conquer each mission with ease! Good luck!