Brother Z difficulty and min group requirements?

[mickmoranis]

Hi, wondering what is the min you need to kill this dudes with lvl 60's with just decent+ equipment.

Not talking NTOV cleric and tank, but like BIS kunark geared, what would be min group requirements?

Tank/Cleric duo'able?

or would u require a rogue?

Would that be a solid Trio?

Can 2 mage's with epic pets duo it by chain summoning?

Thanks!