This build is designed so that Alistar can still deal damage and help during a team fight while still taking damage. For masteries you can switch the AP glyphs for health and same goes for quints if need be. this is just a basic build and may be tweaked depending on situation such as if enemy team is mostly AP switch out Randuin's Omen for Guardians Angel. thank you for viewing and Constructive Criticism is helpful. this is also my first guide thank you :).