If you care about the "Time Saver" leaderboards or Club Challenges, using a foreign save might flag your account. Ubisoft generally does not ban for save editing (it is a single-player game), but they do remove invalid leaderboard scores.
If the Level 15 save was created using a modded executable or a cracked version of the game, it may contain invalid quest flags that break your entire profile. You might find that the crafting table no longer works, or that certain NPCs refuse to speak. assassin 39-s creed origins save game level 15
Whether you have lost your local files due to a PC crash, switched from console to PC, or simply want to skip the tutorial-heavy early game and dive straight into the open world, a Level 15 save file is considered the "sweet spot." At this stage, Bayek is no longer a novice, the map is starting to open up, and the main quest is just about to take you to Alexandria. If you care about the "Time Saver" leaderboards