S-Class FT Wizard, 7th FT Guild Master
Re-quip magic - The Knight
5th ranked Wizard Saint
Both wizards are in the current time-skip X792 (Alvarez arc)
Both start with the intel that they know of each other now
No restrictions on magic
Basically you got two sides. Gray Fullbuster and Kagura Mikazuchi vs. Natsu Dragneel and Erza Scarlet.
Not really any restrictions, so feel free to argue the way you want. All feats can be used.
No time limit.
Takes place in Ruins of Tartaros Battlefield.