tools as in what weapons she uses well the basic vampire slayer will have all your usual weapons you would see with anyone who kills vampires such as
and if you have seen season 7 then a really cool scythe that is all slayer powered
a stake She uses many weapons, but the stake is her classic "go-to."
"Goddess Hecate, work thy will. Before thee, let the unlean thing crawl!"
Yes, Buffy does die briefly due to falling into a small pool of water, and drowning. Xander's quick use of CPR brought her back to life, without much change, except the creation of a New Slayer, Kendra. Thus marking for the first time that we know of, two Slayers existing at one time.
The name of the episode was "Tabula Rasa" where willow casts a spell to make Buffy forget that she was in Heaven and for Tara to forget that she was horribly upset about Willow's use of magic. The spell backfires and the whole Scooby Gang (and Spike) lose their memories.
a slayer is meant to be able to use everyday items to fight off the creatures of darkness. like breaking a chair leg to get a stake or using a kitchen knife to behead a vampire.
If by "cold one" you mean a vampire, there are no tools you can use because vampires do not exist in reality. People can act like a fictional vampire, but that doesn't make them a vampire.
Buy a gem from any slayer master and use it, your recommended slayer master will talk to you.
She wasn't ever a robot, really. Spike had gotten a 'Buffy-bot' to help him with his 'sexual desires' while Buffy wasn't with him. When Buffy dies, sacrificing herself, they use they same Buffy-bot to help around Sunnydale.
You just simply use an Enchanted Gem, you can buy them off a slayer master.
they use tools