combat vision

in combat you can roll a selected die to view different abilities and varying levels of information you take the rolled amount of damage from that dice you can repeat this once a turn as a bonus action 

d4: creature hp

d6: creature hp, and one ability modifier 

d8: creature hp and 3 ability modifiers 

d10: creature hp, all ability modifiers 

d12: creature hp, all ability modifiers, resistances 

d20: view creature stat block