5 killstreak

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")

local player = Players.LocalPlayer
local SPEED = 20 -- desired WalkSpeed

local function setupCharacter(character)
    -- 1️⃣ Apply speed
    local humanoid = character:WaitForChild("Humanoid")
    humanoid.WalkSpeed = SPEED

    -- 2️⃣ Create red particle aura
    local root = character:WaitForChild("HumanoidRootPart")

    local attachment = Instance.new("Attachment")
    attachment.Name = "RedAuraAttachment"
    attachment.Position = Vector3.new(0, 1, 0)
    attachment.Parent = root

    local emitter = Instance.new("ParticleEmitter")
    emitter.Name = "RedAuraEmitter"
    emitter.Color = ColorSequence.new(Color3.fromRGB(255,0,0))
    emitter.LightEmission = 1
    emitter.Size = NumberSequence.new({NumberSequenceKeypoint.new(0,6), NumberSequenceKeypoint.new(1,12)})
    emitter.Transparency = NumberSequence.new({NumberSequenceKeypoint.new(0,0.3), NumberSequenceKeypoint.new(1,1)})
    emitter.Rate = 100
    emitter.Lifetime = NumberRange.new(2,3)
    emitter.Speed = NumberRange.new(0,0)
    emitter.SpreadAngle = Vector2.new(360,360)
    emitter.Rotation = NumberRange.new(0,360)
    emitter.RotSpeed = NumberRange.new(50,100)
    emitter.Parent = attachment

    -- Animate attachment in a circular motion
    local radius = 3
    local angle = 0
    RunService.RenderStepped:Connect(function(dt)
        angle = angle + dt * 4 -- rotation speed
        attachment.Position = Vector3.new(math.cos(angle)*radius, 1, math.sin(angle)*radius)
    end)