s/he was asking about ma... how did samu come into discussion
back to topic:
Concussive Impact (Human):Attacks have a 2% chance to stun an enemy for 3 seconds.
Slayer's Reward (Self Buff) Critical attacks will recover own HP and Hurricane Armor (Strike) Deals Damage to all enemies within 10 feet of caster every 0.5s.
Focus Strength (Zumi):Increases Attack speed by 10% when equipped with 1-handed blunt weapons
Injection (Self-Buff) Increases the the caster's ATK, as well as increasing double hit rate by +100% for 15s and Flash Step (Self-Buff) Teleports the caster up to 100 feet, while increasing critical rate for 15s.
Of course everyone can come up with their best scenario on their head
, but in paper and game a guarantee 10% attack speed and increase p-attack ~5200 (at lv59) as increasing double hit rate by 100% which basically in line with ma charge (increases ATK SPD and P-ATK for the duration. Increases on each attack up to 10 stacks) skill are way superior than 2% chance stunning and recover hp.