[Help]Drop for Single Mobs

Hey there, i need help for singe drops!
Because i want to fix bossdrop^^

Maybe a query:

Lvl 3 Madbull
Drop1: Redstone (High)
Drop2: YellowStone (Max)
Drop3: ViolletStone (Max)
Drop4: EliteSword lvl51 (High)
Drop5: SuperBlade lvl56 (normal)
Drop6: SuperStaff lvl51 (Very High)
Drop7: SuperYellow (Low)

or this:

Guard(NORMAL GUARD WITH NAME) Drop:
Drop1:EPCARD1380 (Veryhigh)
Drop2:SuperVio (Veryhigh)
Drop3:SuperStaff lvl60 (High)


or any GUIDES like this, i just want to know how to put drops to single mobs, not to all, kthxybe


Chances:

Low:900000
normal:1000000
High:5000000
Veryhigh:10000000
Max:4294967295

There are queries abt that some where.... u could search for it :D