So if I read this data right.
Turgur's Insects (lvl 51)
Decrease Attack Speed by 16% (L51) to 90% (L61
Togor's Insects (Lvl 38)
Decrease Attack Speed by 11% (L38) to 80% (L61)
Means our scaling looks like this.
Lvl 51: 50% vs 16%
Lvl 52: 53% vs 23%
Lvl 53: 56% vs 30%
Lvl 54: 59% vs 38%
Lvl 55: 62% vs 45%
Lvl 56: 65% vs 53%
Lvl 57: 68% vs 60%
Lvl 58: 71% vs 67%
Lvl 59: 74% vs 75%
Lvl 60: 77% vs 82%
Lvl 61: 80% vs 90%
So we shouldn't bother to use this lvl 51 spell until we hit lvl 59?!? Am I missing something?