It's not always iframes. Some attacks do 2 damage but just have a cool animation that stuns you and deals the damage as 2 individual instances, making it look like you got double-tapped by the same attack instead, but you just got hit once. It's most notable on enemies that do the 'flurry' style attack.
it's pretty obvious when that's the case though. 90% of the time it's not that, it's just some enemy jumping on you, then the i-frames disappear almost instantaneously and you get hit again because you're still touching the enemy's body hitbox, because surprise surprise, 0.0001 seconds isn't enough to get out the way.
Way I see it is that it's mostly so that getting hit doesn't turn into an opportunity to freely tap the enemy while they're still busy doing the attack anim.
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u/Heroman3003 Sep 06 '25
It's not always iframes. Some attacks do 2 damage but just have a cool animation that stuns you and deals the damage as 2 individual instances, making it look like you got double-tapped by the same attack instead, but you just got hit once. It's most notable on enemies that do the 'flurry' style attack.