Here is my best attempt at a delaying tactic, after sleeping on it. Please tear apart/suggest better ways in which LV might tear apart, to replace the poor placeholder responses he has here.
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“Agree that I musst die, if it ssavess world. But thiss iss not besst way to kill me. Ssee how you can benefit more, given your goalss.”
“Explain.”
“Believe power you know not doess refer to power to desstroy life-eaterss. Life-eaterss will find you eventually, teacher. Know you. Will hunt you down, ssomeday. Eat all of you, all of world and magic, in the end.”
“Sso you will give that magic to me, now.”
“You can never reach needed sstate of mind—incompatible with deadly indifference. Sschoolmasster could never casst—incompatible with acceptance of death. Majority cannot casst, and in the tessting, sstandard defence againsst life-eaterss iss ssacrificed. Will weaken your alliess greatly, should I randomly try to teach.”
“What do you proposse, then?”
“Take me to life-eater prisson. Allow me to pour out my life and magic there, eradicate them wholly. How I wisshed to do sso, during the resscue! You called me back, then.”
″...”
“Many advantagess to you in thiss. Can decimate your final enemy, wipe out their greatesst colony, certainly buy you yearss. Removess them before Wizengamot’ss death throess can releasse them againsst you. Freess your remaining alliess, ass thosse here failed to do. And I am utterly desstroyed—can leave no ghosst behind me. Nothing to fuel ssecret devices of Sschoolmasster’s. Presumably, reduced rissk that your great creation will recognisse my spirit—for I doubt you have tessted that.”
“You will not desstroy all of them, and sso I will have to find another ssolution anyway.”
“Ssolution iss girl-child. Sshe iss closse to learning sspell, and now immortal. My death could drive her to hunt life-eaterss forever; thiss iss not beyond your sskillss at manipulation. You know sshe wantss to be a hero.”
http://img40.imageshack.us/img40/5459/demponies.png I apologise in advance.