Dead Serious

local player = game.Players.LocalPlayer

local avatar = player.Character

local sign = Instance.new("BillboardGui")

sign.Adornee = avatar.Head

sign.Parent = avatar.Head


sign.StudsOffset=Vector3.new(0.5,5,0)
sign.Size=UDim2.new(3,0,3,0)
text=Instance.new("TextLabel")
text.Text= "Dead Serious"
text.TextScaled = true
text.TextColor3 = Color3.new(255, 0, 0)
text.Size=UDim2.new(1,0,1,0)
text.Position=UDim2.new(-0.125,0,-0.25,0)
text.BackgroundTransparency = 1
text.Parent=sign


avatar.Humanoid.MaxHealth = 0 -- This makes your health bar look like your dead.
--WARNING: If someone hits you, you will die fast.