local _soulTetherHpTracker = { }
function SoulTether()
    if env(GetSpEffectID, 1622400) == FALSE then
        return
    elseif LocalPlayerHasSpEffect(1622410) == FALSE then
        return
    end

    local hp = env(GetHP)
    local hpBefore = _soulTetherHpTracker[1]
    if hpBefore == nil then
        hpBefore = hp
        table.insert(_soulTetherHpTracker, 1, hp)
    end
    local hpDif = hpBefore - hp

    if hpDif == 0 then
        return
    elseif hpDif > 0 then
        local localPlayerHp = GetLocalPlayerPointerValue(CHR_INS_BASE.CHR_MODULES.DATA_MODULE.HP)
        if localPlayerHp <= 0 then
            return
        end

        local hpToAdd = math.ceil(math.max(hpDif / 5, 1) + 0.5)
        local newLocalPlayerHp = localPlayerHp + hpToAdd
        SetLocalPlayerPointerValue(CHR_INS_BASE.CHR_MODULES.DATA_MODULE.HP, newLocalPlayerHp)
    end

    table.insert(_soulTetherHpTracker, 1, hp)
    if #_soulTetherHpTracker > 10 then
        table.remove(_soulTetherHpTracker)
    end
end

function SeverTheThread()
    if env(GetSpEffectID, 1622500) == FALSE then
        return
    end
    act(ClearSpEffect, 1622500)

    local didSomething = false
    if env(GetSpEffectID, 1629000) == TRUE then -- Soul Sear
        act(ClearSpEffect, 1629000)
        act(AddSpEffect, 1622510) -- Soul Sear Explosion
        act(AddSpEffect, 1622515) -- Soul Sear Enemy Interaction
        didSomething = true
    end

    if env(GetSpEffectID, 1629200) == TRUE then -- Soul Annihilation
        act(ClearSpEffect, 1629200)
        act(AddSpEffect, 1622520) -- Soul Annihilation Explosion
        act(AddSpEffect, 1622525) -- Soul Annihilation Enemy Interaction
        didSomething = true
    end

    if env(GetSpEffectID, 1622400) == TRUE then -- Soul Tether
        act(AddSpEffect, 1622530) -- Soul Tether Explosion
        --act(AddSpEffect, 1622535) -- Soul Tether Enemy Interaction
        if GetHpRatio() <= 0.15 then
            ForceKill()
        end
        act(ClearSpEffect, 1622400) -- Need to delete late for cleanup logic
        act(AddSpEffect, 1622401) -- Player Heal from Soul Tether Expire
        didSomething = true
    end

    if didSomething then
        act(AddSpEffect, 1622550) -- Visual Explosion
        return TRUE
    end
    return FALSE
end