Slayer: Monster Slayer
Original Source: Xanathar's Guide to Everything
Hunter's Sense
3rd-level Monster Slayer feature
As in Xanathar's Guide to Everything except change Wisdom modifier to Slayer spellcasting ability modifier.
Slayer's Prey
3rd-level Monster Slayer feature
As in Xanathar's Guide to Everything
Supernatural Defense
6th-level Monster Slayer feature
As in Xanathar's Guide to Everything
Magic-User's Nemesis
10th-level Monster Slayer feature
As in Xanathar's Guide to Everything except can be used on a creature changing its shape.
Slayer's Counter
14th-level Monster Slayer feature
As in Xanathar's Guide to Everything