The HP of all large monsters in the locale is increased the moment there is more than 1 player in a hunt. Being in an online session with other players but going on a quest alone does notapply multiplayer settings.
Monster HP is increased when playing multiplayer. Invited friends will start the game from Astera. You can access Start Menu > Communication > Invite a Friend to invite a friend, via their Sony Entertainment Network account (SEN account), to your online session. Multiplayer in Monster Hunter World How to invite Friends Please see Gathering Hub for information on the hubs of the game.
Whilst completely optional, it has an undeniable appeal for players who want to socialize and experiment with group mechanics. Multiplayer in Monster Hunter World (MHW) is an integral part of the game, and the main reason for longevity for many hunters.
