Public/Get-GW2PvPHeroes.ps1

<#
    .SYNOPSIS
        Retrieves PvP heroes (Mist Champions) from the Guild Wars 2 API.
 
    .DESCRIPTION
        The Get-GW2PvPHeroes cmdlet retrieves information about Mist Champions (PvP heroes) for Stronghold sPvP.
 
    .PARAMETER Ids
        The ID(s) of the heroes to retrieve. Can be a single ID, an array of IDs, or "all".
 
    .PARAMETER Page
        The page number to retrieve.
 
    .PARAMETER PageSize
        The number of results per page.
 
    .PARAMETER Lang
        The language to return localized text in. Defaults to "en".
        Valid values: "en", "es", "de", "fr", "zh".
 
    .EXAMPLE
        Get-GW2PvPHeroes -Ids "D16D6D9F-73E5-420E-8C9B-1B44211D50DF"
        Retrieves information for a specific Mist Champion.
 
    .EXAMPLE
        Get-GW2PvPHeroes -Ids "all"
        Retrieves information for all Mist Champions.
 
    .NOTES
        API Endpoint: /v2/pvp/heroes
    #>

function Get-GW2PvPHeroes {
    
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $false)]
        [object]$Ids,

        [Parameter(Mandatory = $false)]
        [int]$Page,

        [Parameter(Mandatory = $false)]
        [int]$PageSize,

        [Parameter(Mandatory = $false)]
        [ValidateSet("en", "es", "de", "fr", "zh")]
        [string]$Lang
    )

    $Uri = "https://api.guildwars2.com/v2/pvp/heroes"

    if ($Ids) {
        $Uri += "?ids=" + ($Ids -join ",")
    }

    if ($Lang) {
        $Uri += "&lang=$Lang"
    }

    if ($Page) {
        $Uri += "&page=$Page"
    }

    if ($PageSize) {
        $Uri += "&page_size=$PageSize"
    }

    try {
        Invoke-RestMethod -Uri $Uri -Method Get
    }
    catch {
        Write-Error "Failed to retrieve PvP heroes: $_"
    }
}