Forum:Rainbow Ruins

hey everyone, im just wondering about this cards 2nd effect, say i have it on the field and of course 2 continuous spells, my field is wide open and my opponent hits me with one attack with 2000 damage and another for 3000 damage..

do i revieve 2000+3000=5000/2=2500 OR 2000+3000/2=3500

so what im asking is does it halve both attacks or only a single one