Where to find Twilight Tablet Fragment
13 spawn points in Silithus. Coordinates are zone map percentages (x, y).

All 13 coordinates
19.8, 9.7 · 20.6, 7.9 · 21.0, 18.1 · 21.5, 10.8 · 21.8, 10.3 · 22.0, 14.5 · 22.2, 18.7 · 24.0, 13.7 · 24.0, 15.5 · 24.1, 9.7 · 24.4, 11.8 · 26.6, 13.2 · 27.4, 10.5
