How can I add a ???

How can I add a custom block to the accounts page, I want to put a block that would display new forums post and one that shows new events when I log in and go to my account page. The big problem is that there are no blocks for events or forums in the account page page builder....Whats Can I do??

Latest Forum Post on Account page: Builders/Page Builder -> Account page -> Add a NEW RSS Feed

Caption Lang Key: _bx_forum_menu_latest_posts
Visible for: Member
Url of RSS feed: {SiteUrl}forum/?action=rss_all
Number of RSS items (0 - all): 4

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