>>14881091>>14881418>>14881641>>14881959Here's a guide some kind anon made of my findings, I hope this helps
The core mechanics from Diamond & Pearl still exist, but are heavily altered
Go for the bushes that shake the most and are the furthest from your character
Avoid bushes that are 1 tile away from you regardless of shaking, in that case 'reset' your radar by walking another 50 spaces and activating it