To change the effect of the bow, open 3DEffect.ini from C:\Program Files\Conquer 2.0\ini, Ctrl+F and write your bow Bow125, select it :
[Bow125]
Amount=1
EffectId0=420
TextureId0=420
ASB0=5
ADB0=2
Delay=0
LoopTime=99999
FrameInterval=33
LoopInterval=0
OffsetX=0
OffsetY=0
OffsetZ=0
[Bow125]
Amount=2
EffectId0=430
TextureId0=430
ASB0=5
ADB0=2
EffectId1=431
TextureId1=431
ASB1=5
ADB1=2
Delay=0
LoopTime=99999
FrameInterval=33
LoopInterval=0
OffsetX=0
OffsetY=0
OffsetZ=0
run conquer and see the bow, for the arrows effect go there C:\Program Files\Conquer 2.0\c3\effect\arrow and copy and paste what you need. Exemple to get 130 arrows effect for lvl 125-129 bows, copy all in 500329 folder and paste in 500279 folder.
here is a list of bow arrows effect :
500009 - 8 bow arrows
500019 - 15 bow arrows
500029 - 20 bow arrows
500039 - 25 bow arrows
500049 - 30 bow arrows
500059 - 35 bow arrows
500069 - 40 bow arrows
500079 - 45 bow arrows
500089 - 50 bow arrows
500099 - 55 bow arrows
500109 - 60 bow arrows
500119 - 65 bow arrows
500129 - 70, 75 bow arrows
500149 - 80 bow arrows
500159 - 85 bow arrows
500169 - 90 bow arrows
500179 - 95 bow arrows
500199 - 100 bow arrows
500209 - 105 bow arrows
500219 - 115 bow arrows
500229 - 120-124 bow arrows
500279 - 125-129 bow arrows
500329 - 130 bow arrows
you can have a full list here