This is some information about Invasion Mod 1.7.10/1.7.2/1.6.4 by unstoppableN - Minecraft Mods that you need to know before installing

Features:

Spawn an invasion until a nexus is overwhelmed(most reliable way to test your base and no down time). Leave mobs to spawn around a nexus every couple nights if you want to go off and do other things. Set mobs to instead spawn randomly at night, like usual mobs but a potentially lot more of them(customisable). Items available, like rechargeable traps, to help defend. ...

View more and Download here : Minecraft 1.7.2 Mods