aooe code also by squeeze

-- "Visual trait" variables
local aoeColor = BrickColor.new("Dirt brown")
local aoeStartTrans = 0.5
local aoeStartSize = Vector3.new(45, 1.5, 45)
local aoeEndSize = Vector3.new(55, 3, 55)

-- "Mechanical trait" variables
local DMG = 100
local RADIUS = 40

local TweenService = game:GetService("TweenService")
local RunService = game:GetService("RunService")
local DamageService = require(game.ServerScriptService:WaitForChild("Libraries"):WaitForChild("DamageService"))

-- Attack script
function Use(...)
    local args = {...}
    local root = args[1].Character.Torso
    local humanoid = args[1].Character.Humanoid
    local plrAtt = Instance.new("Attachment", root)


    local aligner = Instance.new("Part")
    local alignerAtt = Instance.new("Attachment", aligner)
    aligner.CanCollide, aligner.Anchored, aligner.Transparency, aligner.CFrame =
        false, true, 1, root.CFrame*CFrame.Angles(0, math.rad(90), 0)
    aligner.Parent = workspace
    local plrAlignO = Instance.new("AlignOrientation")
    plrAlignO.Attachment0, plrAlignO.Attachment1, plrAlignO.RigidityEnabled =
        plrAtt, alignerAtt, true
    plrAlignO.Parent = root
    local plrBodyV = Instance.new("BodyVelocity")
    plrBodyV.MaxForce, plrBodyV.Velocity =
        Vector3.new(math.huge, math.huge, math.huge), Vector3.zero
    plrBodyV.Parent = root


    task.wait(0.12)
    local aoe = Instance.new("Part")
    aoe.Material, aoe.Anchored, aoe.CanCollide, aoe.CFrame, aoe.BrickColor, aoe.Transparency, aoe.Size =
        "SmoothPlastic", true, false, root.CFrame, aoeColor, aoeStartTrans, aoeStartSize
    local OnHeartbeat OnHeartbeat = RunService.Heartbeat:Connect(function() aoe.CFrame = root.CFrame end)
    -- AlignOrientation and AlignPosition proved incredibly strange-looking for AoE movement, so I opted for this approach.
    aoe.Parent = workspace
    DamageService:RegisterRangeDamage(args[1], RADIUS, DMG)
    aligner.CFrame *= CFrame.Angles(0, math.rad(-90), 0)
    plrBodyV.Velocity = Vector3.new(0, -3, 0)


    local SizeMod = TweenService:Create(aoe, TweenInfo.new(3.7, Enum.EasingStyle.Quint), {Size = aoeEndSize, Transparency = 1})
    SizeMod.Completed:Connect(function() aoe:Destroy() plrAtt:Destroy() OnHeartbeat:Disconnect() end)
    SizeMod:Play()
    task.wait(0.05)
    plrAlignO:Destroy() aligner:Destroy() plrBodyV:Destroy()
end

return Use