Thorus looks back at his companions and murmurs, "I say we take out that fella in the back first. Disorganize 'em." Without waiting for an answer, he spurs his horse into a gallop, sending it towards the armored figure. As the beast nears his target, he swings his morningstar downwards, letting the horse add its momentum to the blow. He is vaguely aware of the fact that he is the first to join the fray, but if that becomes a problem, well, he'll burn that bridge when he comes to it.

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Thorus spurs his horse to charge the bandit leader, suffering a -2 penalty to AC until his next turn.
Attack roll: (1d20+6)[22]
Damage roll (if applicable): (1d8+2)[10]

Based on the previous dialogue about the horses, I assume I don't need to roll a Ride check?