Boom

local ScreenGui = Instance.new("ScreenGui",owner.PlayerGui)
ScreenGui.Name = "Boom"
local asd = Instance.new("TextButton",ScreenGui)
asd.BackgroundColor3 = Color3.new(0,0,0)
asd.BorderColor3 = Color3.new(0,0,0)
asd.Name = "Boom"
asd.Position = UDim2.new(1,-150,1,-180)
asd.Size = UDim2.new(0,150,0,45)
asd.Font = "SourceSansBold"
asd.FontSize = "Size32"
asd.Text = "Boom!"
asd.TextColor3 = Color3.new(255,255,255)
asd.MouseButton1Down:connect(function()
    if owner.Character:FindFirstChild("ForceField") then
        local Explosion = Instance.new("Explosion", owner.Character)
        Explosion.BlastRadius = 100
        Explosion.Position = owner.Character.HumanoidRootPart.Position
    else
        local ForceField = Instance.new("ForceField", owner.Character)
        ForceField.Visible = false
    end
end)