Microtransactions are a part of the upcoming Halo 5: Guardians. Players will have the option of buying REQ Packs with real life money. However, players can earn them in-game without spending a dime as well.
But if you wish to speed things up, REQ Packs are available for purchase. There are three types of Req Packs including Bronze, Silver and Gold.
Price for Bronze isn’t mentioned, it seems Bronze won’t be available for purchase and can only be earned in-game for 1250 RP, but 343i may reveal its real-world price later on. Meanwhile, Silver and Gold can be yours $1.99 and $2.99 respectively. However, if you wish to get them using in-game currency, Silver and Gold with cost you 500RP and 1000RP respectively.
In Silver, players will get “Common to Rare REQs with the added value of two new permanent REQs (if you haven’t already unlocked all of them).”
Meanwhile, Gold Packs will contain “a large number of REQs ranging from Uncommon to Legendary. Players are guaranteed two new permanent REQs (if you haven’t already unlocked all of them).”
Visit the official website for more details.