No, just be aware that ICly there may be things that are adult-only (don't bring him to Drinking Games Night etc). There's no age limitation on characters, only on players.
10-12 feet isn't a problem! Size changing is more for character like... Transformers, who can pick up human-sized characters in one hand. Ten feet might bonk their heads on a few doorways, but they'd fit in the station, which is the main concern.
Potentially, yes! But anything larger than a motorcycle would be point-buy-based - they wouldn't find it by default.
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No, just be aware that ICly there may be things that are adult-only (don't bring him to Drinking Games Night etc). There's no age limitation on characters, only on players.
10-12 feet isn't a problem! Size changing is more for character like... Transformers, who can pick up human-sized characters in one hand. Ten feet might bonk their heads on a few doorways, but they'd fit in the station, which is the main concern.
Potentially, yes! But anything larger than a motorcycle would be point-buy-based - they wouldn't find it by default.