Alphascape V1.0 (Savage)

English

■─ Fire phase ────┬■─Earthquake ───
　(Spread, stacks)　　　│　(Stack positions)
 　               MT/D1　　　  │　H1　 MT 　ST 　H2
　H1/D3　ボス　H2/D4 │　D3　 D1　 D2 　D4
 　                ST/D2　　　   │
■─ Dark crystal ────────────────
 　               MT
 　               D1　　　※Tanks + healers face out→
       H1 D3 ◎ D4 H2　hit your DPS with water
 　               D2
 　               ST

Japanese

■─ 炎フェーズ ─────┬■─ 地震フェーズ ───
　( 頭割り、散開 )　　　　│　( 頭割り )
 　               MT/D1　　　  │　H1　 MT 　ST 　H2
　H1/D3　ボス　H2/D4 │　D3　 D1　 D2 　D4
 　                ST/D2　　　   │
■─ 黒水晶 ───────────────────
 　               MT
 　               D1　　　　※タンクヒラは外周向き→
       H1 D3 ◎ D4 H2　　水をDPSに当てる
 　               D2
 　               ST

Markers

• The ABCD markers mark the cardinal positions, and where the players with Dynamic Fluid should stand to hit their partners with the donut AoE during the Dark Crystal phase.
• The 1 and 2 markers are where the party should stack for the donut AoEs during the Tsunami phase when the boss is casting Damning Edict.

XIVLauncher WaymarkPresetPlugin positions

{
  "Name":"O9S",
  "MapID":591,
  "A":{"X":100.0,"Y":0.0,"Z":88.0,"ID":0,"Active":true},
  "B":{"X":112.0,"Y":0.0,"Z":100.0,"ID":1,"Active":true},
  "C":{"X":100.0,"Y":0.0,"Z":112.0,"ID":2,"Active":true},
  "D":{"X":88.0,"Y":0.0,"Z":100.0,"ID":3,"Active":true},
  "One":{"X":100.0,"Y":0.0,"Z":84.0,"ID":4,"Active":true},
  "Two":{"X":100.0,"Y":0.0,"Z":116.0,"ID":5,"Active":true},
  "Three":{"X":0.0,"Y":0.0,"Z":0.0,"ID":6,"Active":false},
  "Four":{"X":0.0,"Y":0.0,"Z":0.0,"ID":7,"Active":false}
}

Timeline

(Credit: u/Syldris)