There are three new weapons in total. The first is a five star polearm called the Staff of Homa. It’s rated at level 90 and features crit damage 66.2% and base attack of 608. When using it, HP is increased by 20%. It also provides an attack bonus based on 0.8% of the wielder’s max HP. If the wielder’s max HP is less than 50%, the attack bonus is increased by an additional 1% of max HP.
The next weapon is a four star claymore called Lithic Blade. It boasts an attack of 41.3% and base attack of 510. For every character in the party who hails from Liyue, the character who equips the blade will gain a 7% attack increase. They’ll also receive a 3% crit rate increase which can stack up to four times.
The final weapon is a four star polearm called the Lithic Spear. This has an attack of 27.6% and base attack of 565. For every character in the party from Liyue, the character who has this weapon equipped gains 7% attack increase and a 3% crit rate increase. This can stack up to four times.
Note, the only way to obtain these weapons is through event wishes.