The Defender Bundle unlocks five characters for you to play as, characters that are able to take hits, protect allies, and regenerate. The Great Goblin has area of effect attacks that can reduce opponent resistance, can heal himself and become invulnerable, and can knock up and taunt enemies. Eowyn is able to heal her allies at the cost of her own health, shield herself and allies, and stun and do high damage to enemies with her ultimate ability. Witch-king can taunts, cause fear, reflect damage, and slow his opponents. Wulfrun is a good support character that can lower his allies cooldowns, heal, knockback enemies, and can remove negative status effects. The Guardians of Middle Earth online community is mostly dead but there are still occasionally groups of people getting games together, due to that and the high price this DLC is likely not going to be worth it unless you have a group of friends actively playing the game or you find people that are still willing to set games up. When I played the game Eowyn and Wulfrun were two of my favorite characters, I didn't use the other three much.