Memorized Beastiary

You are the master of secret knowledge about various beings.

• By observing a creature, you can infer what type of damage it is vulnerable to and resistant to.
• On bonus action you can do DC 15 History check (DC can change but usually it is 15). When the roll is successive, you learn about vulnerable places on the creature's body and attacks conducted in this place are usually difficult, but the effect of hitting a weak spot is adding a second same dmg dice.
• You are able to investigate the terrain using Survival or Investigation check to find out what kind of creature it is and lots of different useful information. Obtaining resources from creatures (Blood, organs, skin, etc.) is made easier (Advantage - Survival check).
• Upgrade to "Hunter's Bane":Tracking few more types of creatures: beast, dragon, elemental,fiend, giant, humanoid, monstrosity. Is an advantage roll