Assassin's Creed II was a great experience, but it had some flaws.
I had never played any other title in the saga, and its peculiar characteristics immediately attracted me: the fascinating historical setting, the revolutionary and truly astonishing for that time parkour system, and the decidedly layered and exciting lore. These are the qualities that kept me glued to the screen until the end, putting up with the major flaws that I found. The combat system is not that great: you can win any battle by counterattacking or even just button smashing; the enemy AI isn't the best, and has never posed a threat, and despite being an assassin game, the stealth component is rather disappointing and not very stratified.
But either way, I've fallen in love with the franchise, and I can't wait to explore all the chapters from its golden era.