Ok, so I'll put up more of the bosses but this is on our hit list today.

This is the last fight, Kael'thas Sunstrider <Lord>
This is the link to the Wowhead Info, http://www.wowhead.com/?npc=19622, I'd read up on it and what is below.

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Below is the written description of the fight we must face. (copied from the video link above)

Phase 1: you should never be even close to Thaladred at the risk of death;
Grand Astromancer Capernian will cause your lock lots of grey hairs, some guilds use two locks to tank her, we only use one to keep dps high;
put wisdom up on Master Engineer Telonicus so that people can wand up on mana
Melee should being za skulls or leather balls to keep from gettin bored during this phase, if you look close I'm throwing ZA skulls at some points

Phase 2: Probly the hardest phase for your tanks since it take a good amount of time to get used to where your weapon(s) spawn and to pick them up

staff needs to be picked up by atleast one person in each group to help protect against disorenting effects, stuns, and remote toy

Mace needs to be picked up by all healers, this causes those you heal to take 50% less fire and shadow damage for 30 secs

Dagger needs to be picked up by all melee, this leaves a stacking debuff that makes the target take 5% more magic damage per stack (25% more fully stacked) and the daggers can also be used to dispell the mc

shield needs to be picked up by the MT and the Lord Sanguinar tank, should be picked up by and one that can use it to help take less damage during phase 5 while in the air

sword should be picked up by the melee to help get around faster for eggs and mc's

bow by all hunters to help keep up the melee debuff (like the dagger debuff just for melee attacks thu)

no one really needs the 2 hander axe

Phase 3: Stay calm no matter how many weapons are up at this point, you can get through this phase as long as the tanks are in the right spot and there are enough heals to go around, ALWAYS be ready to kite and if your a healer and you have to kite call out for heavy heals on your tank

Phase 4: kick those damn fire balls, take care of the mc's asap, burn the shield when it pops and what ever you do DON'T DIE TO FLAMESTRIKE its just stupid if you do

Phase 5: do pull and me and go in to early, let the mages cs and get him to come to you, once in this phase you should have him