Shinryu’s Domain (Unreal)
A more up-to-date reference would be Nukemaru’s guide:
English
◆ Basic Spread l ◆Atomic Ray
MT ST l MTD1 ★ STD2
D1 D2 l
D3 D4 l H1D3 H2D4
H1 H2 l
----------------------------------------------------------
Akh Morn:MT+ST → MT invuln → ST invuln → MT+ST
Earthshaker: ←H DPS→
Diamond Dust: ←H1 H2→
Japanese
◆基本散開図 l ◆アトミックレイ
MT ST l MTD1 ★ STD2
D1 D2 l
D3 D4 l H1D3 H2D4
H1 H2 l
----------------------------------------------------------
アクモーン:2受け→MT無敵→ST無敵→2受け
アースブレス: ←ヒラ DPS→
ダイヤモンドダスト: ←H1 H2→
Markers
1 is where the healers should bait the first tail. 2 is where the DPS should bait the second tail.

XIVLauncher WaymarkPresetPlugin positions
{
"Name":"Shinryu Unreal",
"MapID":1118,
"A":{"X":0.0,"Y":0.0,"Z":0.0,"ID":0,"Active":false},
"B":{"X":0.0,"Y":0.0,"Z":0.0,"ID":1,"Active":false},
"C":{"X":0.0,"Y":0.0,"Z":0.0,"ID":2,"Active":false},
"D":{"X":0.0,"Y":0.0,"Z":0.0,"ID":3,"Active":false},
"One":{"X":-11.1,"Y":-380.0,"Z":11.1,"ID":4,"Active":true},
"Two":{"X":-11.1,"Y":-380.0,"Z":-11.1,"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}
}