If you get the sword from the Lady of the Lake in the previous game, you start the prologue of TW2 with two silver swords, one being the Lady of the Lake sword. Unequip the Lady of the Lake sword so you don’t lose it to the dragon.
You now have a mid-tier silver sword that is good for half the game. You also don’t need to find a new silver sword at the start of the game.
The Witcher 2, though it’s more of an exploit.
If you get the sword from the Lady of the Lake in the previous game, you start the prologue of TW2 with two silver swords, one being the Lady of the Lake sword. Unequip the Lady of the Lake sword so you don’t lose it to the dragon.
You now have a mid-tier silver sword that is good for half the game. You also don’t need to find a new silver sword at the start of the game.