Elizabeth Durst

What we know

Matriarch of the Durst family; stony-faced portrait with Gustav Durst and children (Session 1 @ 00:47:42)
Spectral apparition watched Gustav dance with Klara; reached for amber pendant and dispersed ghost dancers with menacing amber flash (Session 1 @ 01:33:34)
Ghost children said their mother invited evil into the home (Session 1 @ 02:44:12)
Saturno addressed her directly and felt a chill; Ember heard whisper "perish" (only Ember) (Session 1 @ 01:37:23)
After flesh mound slain, spectral form manifested in altar chamber: grotesquely distorted, wild hair, deathly pallor, amber shard on cord at neck (Session 2 @ 02:15:35)
Vowed to tear house apart before party escapes; screamed as grandfather clock thundered and manor collapsed (Session 2 @ 02:15:35)
Mercurio's manor wine turned to vinegar when opened in woods; party blamed Elizabeth (Session 2 @ 03:14:18)

Family portrait in Durst Manor main hall (Session 1 @ 00:47:42).

Spectral confrontation during harpsichord waltz (Session 1 @ 01:33:34)
Final apparition triggered house collapse after beast destroyed (Session 2 @ 02:15:35)

Unconfirmed: significance of amber shard on spectral neck (Session 2 @ 02:15:35)
Party believes: curse on wine and ongoing malice after death (Session 2 @ 03:14:18)