English:

Strikes with the Soul Great Sword inflict the Soul Fracture effect on targets for 10 seconds. Each hit increases the effect by one level, up to a maximum of level III (configurable).
The parry window duration is now 10 ticks instead of 3 ticks (configurable).
On a successful parry, the cooldown is set to 10 ticks instead of 70ticks (configurable).
A successful parry grants Soul Rage I for 5 seconds (level and duration configurable), along with 10 ticks of invulnerability frames (duration configurable).
The cooldown for a failed parry is 40 ticks instead of 20ticks (configurable).
If the player performs a successful parry within 3 ticks (a Perfect Parry), the following bonus rewards are applied:
Parry cooldown reduced to 3 ticks.
Speed II for 5 seconds and Strength II for 5 seconds.

Other Configurable Settings:

Whether parrying can block BYPASSES_INVULNERABILITY and BYPASSES_ARMOR damage type tags (i.e., whether all damage types tags are blockable)
Perfect parry cooldown
Perfect parry judgment window duration
Damage Types that player's parry invulnerability frames cannot ignore

Thanks to ZheSu for providing code reference details for version 1.21.1 and for helping with the porting of the original version to 1.21.1.

中文：

其他可配置选项：

感谢哲素在 1.21.1 版本的代码细节参考以及初代版本向 1.21.1 移植中给予的帮助