I put a Drax rework in the Suggestions and Requests forum section (link here) and amongst a hopefully fun rework, gave him this spicy ability which I hope you'll appreciate:
Idling If Drax idles for 1.5 seconds, he has a 2% chance to generate an Invisibility Buff. This lasts for two seconds, starts paused (unpausing when he blocks an Attack or is Missed), and causes 100% of Attacks to Miss. Warning: don't rely on this ability too much. Despite his best efforts, Drax is not good at staying still enough to trigger it...
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Idling
If Drax idles for 1.5 seconds, he has a 2% chance to generate an Invisibility Buff. This lasts for two seconds, starts paused (unpausing when he blocks an Attack or is Missed), and causes 100% of Attacks to Miss.
Warning: don't rely on this ability too much. Despite his best efforts, Drax is not good at staying still enough to trigger it...