Request Top Reach Reward NPC Script

[hadiesyafiq 2]

Hi all can teach me or guide me to make this script?

script i need is like this...

when server reach top peak step by step this NPC will give a reward 

Example :

*Top Peak Reach Reward*
100 player - 3x Battle Manual 300%
200 player - 3 Bubble Gums
300 player -5 elite seige box
400 player - 5 ticket of kafra transportation + 2x HE gums
500 player - 2x Leap of Fantasy

Thanks in advance