Why can't I see my kamehameha blast?

serverscriptservice

event = game.ReplicatedStorage.Kamehameha.Start
event2 = game.ReplicatedStorage.Kamehameha.Launch

function ball(ctr, hum, whereto, plr)
    start = Instance.new("Part")
    start.Parent = ctr
    start.Name = "Kamehamehaattack"
    start.Shape = "Ball"
    start.Size = Vector3.new(2,2,2)
    start.BrickColor = BrickColor.new("Toothpaste")
    start.Material = "Neon"
    start.CanCollide = false
    start.Anchored = true
    start.Transparency = .1
    event:FireClient(plr)
    atk = ctr:FindFirstChild("Kamehamehaattack")
    for i = 1, 50 do
        atk.Size = atk.Size + Vector3.new(.1,.1,.1)
        atk.CFrame = atk.CFrame:lerp(ctr.UpperTorso.CFrame * CFrame.new(0, 0, -5), i * 2)
        wait()
    end
    while ctr:FindFirstChild("Kamehameha") do
        start.CFrame = ctr["LeftHand"].CFrame * CFrame.new(-2,0,0)
        wait()
    end
    print('send')
end

function launch(ctr,hum, whereto, plr)
    print('CAUGHT')
    blast = Instance.new("Part")
    blast.Shape = "Cylinder"
    blast.BrickColor = BrickColor.new("Toothpaste")
    blast.Transparency = 0.1
    blast.Material = "Neon"
    blast.CFrame = CFrame.new(whereto)
    blast.CFrame = CFrame.new(blast.CFrame.Position, whereto) * CFrame.Angles(0, math.rad(90), 0)
    blast.Anchored = true
    blast.Size = Vector3.new(75,5,5)
    blast.CanCollide = false
    blast.Parent = ctr
    blast.Name = "blast"
    event2:FireClient(plr)
    wait(3)
    blast:Destroy()
    atk:Destroy()
end

event.OnServerEvent:Connect(function(plr, ctr, hum, whereto)
    print('recieved!')
    ball(ctr, hum, whereto, plr)

end)
event2.OnServerEvent:Connect(function(plr, ctr, hum, whereto)
    launch(ctr, hum, whereto, plr)
end)

tool script

event = game.ReplicatedStorage.Kamehameha.Start
event2 = game.ReplicatedStorage.Kamehameha.Launch
plr = game.Players.LocalPlayer
ctr = plr.Character or plr.CharacterAdded:Wait()
hum = ctr:WaitForChild("Humanoid")
uis = game:GetService("UserInputService")
tool = script.Parent
hold = false
m = plr:GetMouse()
charge = Instance.new("Animation")
charge.AnimationId = "https://www.roblox.com/asset/id?=".."2787315889"
chargetrack = hum:LoadAnimation(charge)
launch = Instance.new("Animation")
launch.AnimationId = "https://www.roblox.com/asset/id?=".."2787303003"
launchtrack = hum:LoadAnimation(launch)
db = true
hax = false


tool.Equipped:Connect(function()
    hold = true
end)

tool.Unequipped:Connect(function()
    hold = false
    if hax == true then
        event:FireServer(ctr, hum, m.Hit.p)
    end
end)

m.Button1Down:Connect(function()
    print('clicked')
    if hold == true and db == true then
        event:FireServer(ctr, hum, m.Hit.p)
        db = false
        hax = true
        wait(5)
        db = true
    end
end)


m.Button1Up:Connect(function()
    if hold == true and hax == true then
        event2:FireServer(ctr, hum, m.Hit.lookVector * 37.5, plr)
    end
end)


event.OnClientEvent:Connect(function(plr)
    chargetrack:Play()
    wait(3)
    hax = false
end)

event2.OnClientEvent:Connect(function(plr)
    chargetrack:Stop()
    launchtrack:Play()
end)

plr.CharacterAdded:Connect(function(char)
    ctr = char
end)

I can see my start kamehameha part but not my blast part.