Laynpcs (My Legacy Script)

--add us on roblox vincentplayz9356
local npcs = {}
local RunService = game:GetService("RunService")
local interval = 0.04
local lastUpdate = 0
local OrgDestroyHeight = -500

local function disableNPCAbilities(npc)
    local humanoid = npc:FindFirstChildOfClass("Humanoid")
    local rootPart = npc:FindFirstChild("HumanoidRootPart")

    if humanoid then
        humanoid.Sit = true
        humanoid.JumpPower = 0
        humanoid.WalkSpeed = 0
        humanoid.PlatformStand = true
        humanoid.BreakJointsOnDeath = false
        humanoid.Health = -math.huge
        humanoid:SetStateEnabled(Enum.HumanoidStateType.Dead, false)
    end

    if rootPart then
        rootPart.Anchored = true
    end

    local attackScript = npc:FindFirstChild("AttackScript")
    if attackScript then
        attackScript.Disabled = true
    end

    local weapon = npc:FindFirstChild("Weapon")
    if weapon and weapon:IsA("Tool") then
        local damageScript = weapon:FindFirstChild("DamageScript")
        if damageScript then
            damageScript.Disabled = true
        end
    end

    for _, part in ipairs(npc:GetDescendants()) do
        if part:IsA("BasePart") then
            part.CanTouch = false
        end
    end

    for _, otherNpc in ipairs(npcs) do
        local otherRoot = otherNpc:FindFirstChild("HumanoidRootPart")
        if otherNpc ~= npc and rootPart and otherRoot then
            if (otherRoot.Position - rootPart.Position).Magnitude <= 100 then
                humanoid.PlatformStand = true
            end
        end
    end
end

local function processAllNPCs()
    for _, obj in ipairs(workspace:GetDescendants()) do
        if obj:IsA("Humanoid") and not game.Players:GetPlayerFromCharacter(obj.Parent) then
            local npcRoot = obj.Parent:FindFirstChild("HumanoidRootPart")
            if npcRoot then
                disableNPCAbilities(obj.Parent)
                npcs[npcRoot] = {
                    humanoid = obj,
                    lastSafePosition = npcRoot.Position
                }
            end
        end
    end
end

processAllNPCs()

workspace.DescendantAdded:Connect(function(obj)
    if obj:IsA("Humanoid") and not game.Players:GetPlayerFromCharacter(obj.Parent) then
        local npcRoot = obj.Parent:FindFirstChild("HumanoidRootPart")
        if npcRoot then
            disableNPCAbilities(obj.Parent)
            npcs[npcRoot] = {
                humanoid = obj,
                lastSafePosition = npcRoot.Position
            }
        end
    end
end)

RunService.Heartbeat:Connect(function(deltaTime)
    lastUpdate = lastUpdate + deltaTime
    if lastUpdate >= interval then
        lastUpdate = 0
        for root, data in pairs(npcs) do
            if root and root.Parent and data.humanoid and data.humanoid.Health > 0 then
                local rayOrigin = root.Position
                local rayDirection = Vector3.new(0, -20, 0)
                local raycastParams = RaycastParams.new()
                raycastParams.FilterDescendantsInstances = {root.Parent}
                raycastParams.FilterType = Enum.RaycastFilterType.Blacklist

                local rayResult = workspace:Raycast(rayOrigin, rayDirection, raycastParams)

                if rayResult and rayResult.Instance then
                    data.lastSafePosition = root.Position
                end

                if root.Position.Y <= OrgDestroyHeight + 25 then
                    root.CFrame = CFrame.new(data.lastSafePosition + Vector3.new(0, 5, 0))
                    root.Velocity = Vector3.zero
                end
            end
        end
    end
end)