Here is the full list of all 31 Death Mark achievements.
Learned the horrifying history of Hanahiko.
Witnessed Hanahiko's intense spite come to an end.
Frightened by the creeping Hanahiko and the Mark.
Frightened by a talisman that holds Soul Power.
Frightened by the existence of Mark Bearers who share the same fate.
Frightened by the choice of advancing death.
Frightened by the realization of inescapable death.
Looking forward to more terror descending upon you who has overcome all fear.
Witnessed the burning demise of Hanahiko's grudge.
Frightened by the looming Shimi-O and the Mark.
Witnessed Shimi-O's dissolving demise.
Witnessed Shimi-O's heartbreaking wish come to an end.
Learned the ghastly history of Shimi-O and the Honey Bee Family.
Frightened by Hanayome advancing and the Mark.
Witnessed Hanayome's regretful demise.
Witnessed Hanayome's thoughts and feelings come to an end.
Learned of the strange bond between Hanayome and her fiance.
Frightened by the mysterious tragedy that took place at Kujou Mansion.
Frightened by Miss Zoo's intense passion and the Mark.
Witnessed Miss Zoo's raging demise.
Witnessed Miss Zoo's madness come to an end.
Learned the insane history of Miss Zoo.
Frightened by the elusive Kannon Soldier and the Mark.
Witnessed the Kannon Soldier's loathing demise.
Witnessed the Kannon Soldier come to a touching end.
Learned the history of the Kannon Soldier and the underground shelter.
Frightened by the final showdown and the resulting fate.
Frightened by the final showdown, but hopeful for the future.
Witnessed Red Riding Hood's poisonous demise.
Witnessed Red Riding Hood's sorrowful sentiment come to an end.
Learned of the repulsive deeds that gave rise to Red Riding Hood.