about "zGui" in th-re-data/data/th06.v1.02h/type-structs-own.json

[tabethereal]

"0x18", "__read_by_spellcard_ecl" should be the countdown timer for spell/non-spell shown on the top right, as its calculation method is: (timer_threshold - frame_passed) // 60.
And "0x1c", "__unknown" should be a copy of it.