[Will]'d barely been asleep a few minutes when Halt's voice woke him.
'Will? Are you asleep?'...
'I was,' he said, a little indignantly. 'I'm not now.'
'Good,' Halt replied, a trifle smugly. 'Serves you right.

Without thinking, [Will] spoke.
'Halt? Are you awake?'
'No.' The ill humor in the one-word reply was unmistakable.
'Oh. Sorry.'
'Shut up.'
He pondered whether to apologize again and decided this would go against the instruction to shut up, so remained silent.

You're an apprentice, you're not ready to think yet.
-Ranger's Apprentice

Will raised both eyebrows. 'Well, you learn a new thing everyday,' he said reflectively.

'In your case, that's no exaggeration,' Halt said, completely straight-faced.

The two girls disappeared into the stern cabin once more. Will watched them go, then asked Halt, 'Anything you'd like me to do? Grow a beard? Learn to walk like a rooster?'
'If you could stop asking facetious questions, that'd be a start,' Halt told him. 'But it's probably a little late in life for you to do that.

Will saw the first Senshi officer release and instantly knew where the arrow was aimed. 'They've spotted Shigeru!' He was about to turn and shove Shigeru to the ground, but as he did so, his eye caught a flicker of movement and he spun back.
When asked later about what he did next, he could never explain how he managed it. Nor could he ever repeat the feat. He acted totally from instinct, an unbelievable piece of coordination between hand and eye.
The Senshi arrow flashed downward, heading directly for Shigeru. Will flicked his bow at it, caught it and deflected it from its course. The arrowhead screeched on the hard, rocky ground and the arrow skittered away. Even Halt took a second to be impressed.
'My god!' he said. 'How did you do that?