After repairing Generators for a total of 50 percent, Blast Mine activates:

After repairing a Generator for at least 3 seconds, press the Active Ability button to install a Trap, which stays active for 40/45/50 seconds.
The Aura of Trapped Generators are revealed in yellow to all Survivors.
When the Killer damages a Trapped Generator, the Trap explodes, stunning them and blinding anyone nearby.
Blast Mine deactivates after triggering successfully or if the timer runs out.

Unlocks potential in your Aura-reading ability.
When healing another Survivor from the Dying State to the Injured State, they are granted a 10 percent Haste Status Effect for 6/8/10 seconds and the Killer's Aura is revealed to the both of you for the same duration.

You start the Trial with a Progression penalty of -25 percent for succeeding a Good Skill Check while healing another Survivor.
Succeeding a Good Skill Check while healing another Survivor grants 1 Token, up to a maximum of 3/4/5 Tokens.
Each Token grants a stack-able Progression bonus of +15 percent for succeeding a Good Skill Check while healing another Survivor.
Suppresses Great Skill Checks while healing another Survivor.
Autodidact remains inactive while healing another Survivor using a Med-Kit.

For Each Survivor still in the Trial, Up the Ante gains 1 Token.

Each Token applies a stack-able 1/2/3 percent bonus to the Luck of all Survivors, up to a maximum of 3/6/9 percent.